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id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r905765184">.mw-parser-output #wdinfobox[dir="ltr"]{float:right;clear:right;margin-right:0;margin-left:1em}.mw-parser-output #wdinfobox[dir="rtl"]{float:left;clear:left;margin-left:0;margin-right:1em}.mw-parser-output #wdinfobox{width:258px;box-sizing:border-box;font-size:95%;padding:0}.mw-parser-output #wdinfobox .image img{max-width:250px;max-height:250px;width:auto}.mw-parser-output #wdinfoboxcaption{background:#FFF}.mw-parser-output #wdinfobox[dir="ltr"] #wdinfoboxcaption{margin-left:0}.mw-parser-output #wdinfobox[dir="rtl"] #wdinfoboxcaption{margin-right:0}.mw-parser-output #wdinfobox th,.mw-parser-output #wdinfo_taxon th{vertical-align:top;word-wrap:break-word;hyphens:auto}.mw-parser-output #wdinfobox td,.mw-parser-output #wdinfo_taxon td{word-wrap:break-word;hyphens:auto}.mw-parser-output #wdinfobox li:not(:last-child){margin-bottom:3px}.mw-parser-output #wdinfo_taxon{font-size:95%;table-layout:fixed;padding:0}.mw-parser-output .taxontree-lcell,.mw-parser-output .wikidatainfobox-lcell{background:#CFE3FF;padding-left:.4em;padding-right:.4em;font-weight:bold}.mw-parser-output .taxontree-rcell,.mw-parser-output .wikidatainfobox-rcell{word-wrap:break-word;hyphens:auto}.mw-parser-output #wdinfobox[dir="ltr"] .taxontree-lcell,.mw-parser-output #wdinfobox[dir="ltr"] .wikidatainfobox-lcell{text-align:right;word-wrap:break-word;hyphens:auto}.mw-parser-output #wdinfobox[dir="rtl"] .taxontree-lcell,.mw-parser-output #wdinfobox[dir="rtl"] .wikidatainfobox-lcell{text-align:left;word-wrap:break-word;hyphens:auto}.mw-parser-output .taxontree-fullcell{text-align:center}.mw-parser-output .taxontree-hdrcell{text-align:center;background:#CFE3FF;padding-left:.4em;padding-right:.4em;font-weight:bold}.mw-parser-output .taxontree-row{}@media screen and (max-width:600px){.mw-parser-output .wdinfo_nomobile{display:none;visibility:hidden;height:0}}.mw-parser-output .wdinfobox_horizontal{clear:both!important;display:block;box-sizing:border-box!important;width:100%!important;column-width:24em}.mw-parser-output .wdinfobox_hide{display:none}.mw-parser-output #wdcreator{display:none}.mw-parser-output .wdcreator_show{display:block!important}.mw-parser-output #wdinfo_taxon ul{list-style:none;list-style-position:inside}.mw-parser-output #wdinfobox[dir="ltr"] #wdinfo_taxon ul{padding-left:0;margin-left:0}.mw-parser-output #wdinfobox[dir="rtl"] #wdinfo_taxon ul{padding-right:0;margin-right:0}.mw-parser-output .wikidatainfoboxVN ul li{list-style:none;padding:0;margin:0}.mw-parser-output .wikidatainfoboxVN ul{margin-left:0}.mw-parser-output .wikidatainfoboxVN{padding:0;margin:0}</style><div style="display:none"><nowiki>sistema de referencia; Санақ жүйесі; ساناق جۇيەسى; Отправна система; gözlemci çerçevesi; 參考系; referenssystem; система відліку; 參考系; 参考系; Bezugssystem; 기준틀; Санақ жүйесі; referenckadro; појдовен систем; परसंग परनाली; প্রসঙ্গ কাঠামো; référentiel; Referentni sustav; hệ quy chiếu; ساناق جۇيەسى; Sanaq jüýesi; референтни систем; 参考系; Санақ жүйесі; referansesystem; Referansesystem; hesablama sistemi; چوارچێوەی ئاماژەپێدان; frame of reference; إطار مرجعي; 參考系; vonatkoztatási rendszer; નિર્દેશ ફ્રેમ; erreferentzia-sistema; sistema de referencia; система отсчёта; ffrâm gyfeirio; сістэма адліку; Հաշվարկման համակարգ; 参考系; Henførelsessystem; 基準系; מערכת ייחוס; निर्देश तंत्र; 参考系; vertausjärjestelmä; Համակարգ (բնագիտութիւն); sistema di riferimento; Taustsüsteem; referentiekader; sistema di rifirimentu; referencial; Sistemi i referimit; প্ৰসংগ প্ৰণালী; сыстэма адліку; vztažná soustava; opazovalni sistem; กรอบอ้างอิง; sistem de referință; چارچوب مرجع; Kerangka acuan; układ odniesienia; 參考系; Referentni okvir; Sanaq jüýesi; Vzťažná sústava; sistema de referència; Bezugssystem; Sistema de referencia; Пуçлав тытăмĕ; 参考系; fráma tagartha; schematizzazione dello spazio in cui è descritto un determinato oggetto o fenomeno; objet par rapport auquel on étudie le mouvement d'un système en mécanique; абстрактная сыстэма каардынатаў з выбраным пунктам пачатковага адліку; sistema mekaniko baten higidura aztertzeko erabiltzen den objektua; система координат с выбранным началом отсчёта времени (в физике); sistema di coordinati adupiratu pi misurari prupietà di l'oggetti comu pusizzioni e orientamentu ô variari dû tempu; hệ toạ độ để xác định vị trí của mọi điểm trên vật thể và vị trí của các vật thể khác; دستگاه مختصات انتزاعی; 用於測量物理量的坐標系; soyut koordinat sistemi ve koordinat sistemini benzersiz şekilde sabitleyen (konumlandıran ve yönlendiren) ve ölçümü/ölçümleri standartlaştıran fiziksel referans noktaları kümesi; suatu perspektif dari suatu sistem diamati; abstrakcyjny układ współrzędnych, który jest określony przez punkty odniesienia; służy do opisania ruchu oraz upływu czasu; in der Physik ein raum-zeitliches Gebilde zur Beschreibung des Verhaltens ortsabhängiger Größen; апстрактен координатен систем во физиката; materialization of an abstract coordinate system; sistema abstracto de coordenadas; koordinatsistemo sur spactempo adaptita al observanto; 用于测量物理量的坐标系; sistem de coordonate abstract și mulțimea punctelor de referință fizice care plasează unic (localizează și orientează) sistemul de coordonate și standardizează măsurătoarea(-orile); Punto de vista; marco de referencia; referencial; প্রসঙ্গ-কাঠামো; système de référence; referentiel; નિર્દેશફ્રેમ; Erreferentzia sistema; Erreferentzi-sistema; Erreferentzi sistema; marcu de referencia; система отсчета; системы отсчёта; системы отсчета; Sistema de referência; Sistemas de referência; Bezugsystem; Positionsangabe; Bezugskörper; Beobachtungspunkt; Referenzsystem; Beobachtungsort; hệ qui chiếu; referenční soustava; vztažný systém; نظام مرجعي; جملة مرجعية; أطر مرجعية; 参照物; 参考标架; 参照系; 參考座標; 參考坐標; 參考框架; референтни оквир; referans çerçevesi; 参照系; 基準座標系; Referencial; референтен систем; појдовна рамка; Marc de referència; referanseramme; referanseramme; referentiestelsel; referentiemodel; Sisteme de referinţă; Sisteme de referință; Sistem de referinţă; Sistem referenţial; Sistem de referinta; Reper inerţial; Reper inerțial; Sistem referențial; Отправно тяло; מערכת ייחוס אינרציאלית; מערכות ייחוס; چوارچێوەی ئاماژە; reference frame; reference system; Referenca kadro; Observa kadro de referenco; Observa referenca kadro; Kadro de referenco; 参照系; ffocws i'r cyfan</nowiki></div><table id="wdinfobox" dir="ltr" class="fileinfotpl-type-information vevent infobox mw-collapsible"><caption class="fn org" id="wdinfoboxcaption"><b>frame of reference </b></caption><tbody><tr><td colspan="2" class="wdinfo_nomobile" style="text-align:center"><div>materialization of an abstract coordinate system</div><div class="switcher-container"><div class="center"><span class="wpImageAnnotatorControl wpImageAnnotatorCaptionOff"><span typeof="mw:File"><a href="/wiki/File:Reference_frame_and_observer.svg" class="mw-file-description"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Reference_frame_and_observer.svg/230px-Reference_frame_and_observer.svg.png" decoding="async" width="230" height="212" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Reference_frame_and_observer.svg/345px-Reference_frame_and_observer.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Reference_frame_and_observer.svg/460px-Reference_frame_and_observer.svg.png 2x" data-file-width="228" data-file-height="210" /></a></span></span></div></div></td></tr><tr><td colspan="2" style="text-align:center"><b><a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Special%3AUploadWizard&categories=Frames+of+reference">Upload media</a></b></td></tr><tr><td colspan="2" style="text-align:center; font-weight:bold"><div><span typeof="mw:File"><span><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Wikipedia-logo-v2.svg/16px-Wikipedia-logo-v2.svg.png" decoding="async" width="16" height="15" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Wikipedia-logo-v2.svg/24px-Wikipedia-logo-v2.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Wikipedia-logo-v2.svg/32px-Wikipedia-logo-v2.svg.png 2x" data-file-width="103" data-file-height="94" /></span></span> <a href="https://en.wikipedia.org/wiki/Frame_of_reference" class="extiw" title="en:Frame of reference">Wikipedia</a></div></td></tr><tr class="wdinfo_nomobile"><th class="wikidatainfobox-lcell">Pronunciation audio</th><td><span typeof="mw:File"><span><audio id="mwe_player_0" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="100" style="width:100px;" data-durationhint="2" data-mwtitle="LL-Q150_(fra)-Visiteuse_Journée_2_-_1_(Madehub)-référentiel.wav" data-mwprovider="local"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/4/41/LL-Q150_%28fra%29-Visiteuse_Journ%C3%A9e_2_-_1_%28Madehub%29-r%C3%A9f%C3%A9rentiel.wav/LL-Q150_%28fra%29-Visiteuse_Journ%C3%A9e_2_-_1_%28Madehub%29-r%C3%A9f%C3%A9rentiel.wav.ogg" type="audio/ogg; codecs="vorbis"" data-transcodekey="ogg" data-width="0" data-height="0" /><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/4/41/LL-Q150_%28fra%29-Visiteuse_Journ%C3%A9e_2_-_1_%28Madehub%29-r%C3%A9f%C3%A9rentiel.wav/LL-Q150_%28fra%29-Visiteuse_Journ%C3%A9e_2_-_1_%28Madehub%29-r%C3%A9f%C3%A9rentiel.wav.mp3" type="audio/mpeg" data-transcodekey="mp3" data-width="0" data-height="0" /><source src="https://upload.wikimedia.org/wikipedia/commons/4/41/LL-Q150_%28fra%29-Visiteuse_Journ%C3%A9e_2_-_1_%28Madehub%29-r%C3%A9f%C3%A9rentiel.wav" type="audio/wav" data-width="0" data-height="0" /></audio></span></span></td></tr><tr class="wdinfo_nomobile"><th class="wikidatainfobox-lcell">Subclass of</th><td><div class="plainlist"><ul><li><a href="/wiki/Category:Conceptual_systems" title="Category:Conceptual systems">conceptual system</a></li><li><a href="/wiki/Category:Point_of_view_(philosophy)" title="Category:Point of view (philosophy)">point of view</a></li><li><a href="/wiki/Category:Conceptual_models" title="Category:Conceptual models">conceptual model</a></li><li>physical concept</li></ul></div></td></tr><tr class="wdinfo_nomobile"><th class="wikidatainfobox-lcell">Has part(s)</th><td><div class="plainlist"><ul><li>reference point</li><li><a href="/wiki/Category:Basis_(linear_algebra)" title="Category:Basis (linear algebra)">basis</a></li></ul></div></td></tr><tr class="wdinfo_nomobile"><th class="wikidatainfobox-lcell">Different from</th><td><div class="plainlist"><ul><li><a href="https://www.wikidata.org/wiki/Q192735" class="extiw" title="d:Q192735"><span title="frame of reference not undergoing acceleration">inertial frame of reference</span></a></li></ul></div></td></tr><tr><td colspan="2"><table style="width:100%" id="wdinfo_ac" class="mw-collapsible"><tbody><tr><th style="background: #cfe3ff">Authority file</th></tr><tr><td style="text-align: center;"><div style="overflow-wrap: break-word; font-size: smaller"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q184876" title="d:Q184876"><img alt="Wikidata" src="https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span> <a href="https://www.wikidata.org/wiki/Q184876" class="extiw" title="d:Q184876">Q184876</a><br /><span class="wdinfo_nomobile"><span typeof="mw:File"><span><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Logo_Gemeinsame_Normdatei_%28GND%29.svg/18px-Logo_Gemeinsame_Normdatei_%28GND%29.svg.png" decoding="async" width="18" height="21" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Logo_Gemeinsame_Normdatei_%28GND%29.svg/27px-Logo_Gemeinsame_Normdatei_%28GND%29.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Logo_Gemeinsame_Normdatei_%28GND%29.svg/36px-Logo_Gemeinsame_Normdatei_%28GND%29.svg.png 2x" data-file-width="512" data-file-height="591" /></span></span> GND ID: <span><span><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4126032-6">4126032-6</a></span></span><br />BabelNet ID: <span><span><a rel="nofollow" class="external text" href="https://babelnet.org/synset?id=bn:00022459n&lang=EN">00022459n</a></span></span></span></div></td></tr><tr class="wdinfo_nomobile"><td colspan="2" style="text-align: center"><small><div class="hlist hlist-separated"><ul><li><span style="white-space:nowrap"><a class="external text" href="https://reasonator.toolforge.org/?q=Q184876">Reasonator</a></span></li><li><span style="white-space:nowrap"><a href="https://iw.toolforge.org/scholia/Q184876" class="extiw" title="toolforge:scholia/Q184876">Scholia</a></span></li><li><span style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://wikidocumentaries-demo.wmcloud.org/Q184876">Wikidocumentaries</a></span></li><li><span style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://petscan.wmflabs.org/?language=commons&categories=Frames_of_reference&project=wikimedia&ns%5B6%5D=1">PetScan</a></span></li><li><span style="white-space:nowrap"><a class="external text" href="https://glamtools.toolforge.org/glamorgan.html?&category=Frames_of_reference&depth=1&month=last">statistics</a></span></li><li><span style="white-space:nowrap"><a class="external text" href="https://wikimap.toolforge.org/?cat=Frames_of_reference&subcats=true&subcatdepth=1&cluster=true">WikiMap</a></span></li><li><span style="white-space:nowrap"><a class="external text" href="https://locator-tool.toolforge.org/#/geolocate?category=Frames_of_reference">Locator tool</a></span></li><li><span style="white-space:nowrap"><a class="external text" href="https://kmlexport.toolforge.org/?project=commons&article=Category%3AFrames+of+reference">KML file</a></span></li><li><a href="/wiki/Special:Search/haswbstatement:P180%3DQ184876" title="Special:Search/haswbstatement:P180=Q184876">Search depicted</a></li></ul></div></small></td></tr></tbody></table></td></tr><tr class="wdinfo_nomobile"><td lang="en" colspan="2" style="text-align:right"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q184876" title="Edit infobox data on Wikidata"><img alt="Edit infobox data on Wikidata" src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/23px-Blue_pencil.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/30px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr></tbody></table>    </div><div class="mw-category-generated" lang="en" dir="ltr"><div id="mw-subcategories"> <h2>Subcategories</h2> <p>This category has the following 2 subcategories, out of 2 total. </p><div lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-category"><div class="mw-category-group"><h3>N</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Category:Non-inertial_reference_frame" title="Category:Non-inertial reference frame">Non-inertial reference frame</a></bdi> <span title="Contains 0 subcategories, 0 pages, and 3 files" dir="ltr">(3 F)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>S</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Category:Synchronisation_(special_relativity)" title="Category:Synchronisation (special relativity)">Synchronisation (special relativity)</a></bdi> <span title="Contains 0 subcategories, 0 pages, and 7 files" dir="ltr">(7 F)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div></div></div> </div><div id="mw-category-media"> <h2>Media in category "Frames of reference"</h2> <p>The following 45 files are in this category, out of 45 total. </p><ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png/120px-A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png" decoding="async" loading="lazy" width="120" height="80" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png/180px-A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png/240px-A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png 2x" data-file-width="600" data-file-height="400" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:A_candidate_reference_frame_for_the_body_of_knowledge_of_mathematics.png" class="galleryfilename galleryfilename-truncate" title="File:A candidate reference frame for the body of knowledge of mathematics.png">A candidate reference frame for the body of knowledge of mathematics.png</a> 600 × 400; 44 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Animated_Lorentz_Transformation_Frame.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Animated_Lorentz_Transformation_Frame.png/120px-Animated_Lorentz_Transformation_Frame.png" decoding="async" loading="lazy" width="120" height="120" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Animated_Lorentz_Transformation_Frame.png/180px-Animated_Lorentz_Transformation_Frame.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Animated_Lorentz_Transformation_Frame.png/240px-Animated_Lorentz_Transformation_Frame.png 2x" data-file-width="300" data-file-height="300" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Animated_Lorentz_Transformation_Frame.png" class="galleryfilename galleryfilename-truncate" title="File:Animated Lorentz Transformation Frame.png">Animated Lorentz Transformation Frame.png</a> 300 × 300; 14 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Bezugssystem.svg" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Bezugssystem.svg/120px-Bezugssystem.svg.png" decoding="async" loading="lazy" width="120" height="90" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Bezugssystem.svg/180px-Bezugssystem.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Bezugssystem.svg/240px-Bezugssystem.svg.png 2x" data-file-width="640" data-file-height="480" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Bezugssystem.svg" class="galleryfilename galleryfilename-truncate" title="File:Bezugssystem.svg">Bezugssystem.svg</a> 640 × 480; 12 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Biraka_ari_den_sistema.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/0/00/Biraka_ari_den_sistema.png/120px-Biraka_ari_den_sistema.png" decoding="async" loading="lazy" width="120" height="46" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/0/00/Biraka_ari_den_sistema.png/180px-Biraka_ari_den_sistema.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/0/00/Biraka_ari_den_sistema.png/240px-Biraka_ari_den_sistema.png 2x" data-file-width="812" data-file-height="314" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Biraka_ari_den_sistema.png" class="galleryfilename galleryfilename-truncate" title="File:Biraka ari den sistema.png">Biraka ari den sistema.png</a> 812 × 314; 34 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Carframe.gif" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Carframe.gif/120px-Carframe.gif" decoding="async" loading="lazy" width="120" height="63" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Carframe.gif/180px-Carframe.gif 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Carframe.gif/240px-Carframe.gif 2x" data-file-width="360" data-file-height="188" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Carframe.gif" class="galleryfilename galleryfilename-truncate" title="File:Carframe.gif">Carframe.gif</a> 360 × 188; 224 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><span><video id="mwe_player_0" poster="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm/120px--Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm.jpg" controls="" preload="none" data-mw-tmh="" width="120" height="80" data-durationhint="273" data-mwtitle="Complex_Fourier_series_animation_tracing_the_letter_'e'.webm" data-mwprovider="local"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="720" data-height="480"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm.720p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="720p.vp9.webm" data-width="1080" data-height="720"><source src="https://upload.wikimedia.org/wikipedia/commons/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm" type="video/webm; codecs="vp9, opus"" data-width="1080" data-height="720"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm.144p.mjpeg.mov" type="video/quicktime" data-transcodekey="144p.mjpeg.mov" data-width="216" data-height="144"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="360" data-height="240"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="540" data-height="360"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm/Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="540" data-height="360"></video></span></span></div> <div class="gallerytext"><a href="/wiki/File:Complex_Fourier_series_animation_tracing_the_letter_%27e%27.webm" class="galleryfilename galleryfilename-truncate" title="File:Complex Fourier series animation tracing the letter 'e'.webm">Complex Fourier series animation tracing the letter 'e'.webm</a> 4 min 32 s, 1,080 × 720; 17.88 MB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:ES-kartesiarra.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f5/ES-kartesiarra.png/120px-ES-kartesiarra.png" decoding="async" loading="lazy" width="120" height="97" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f5/ES-kartesiarra.png/180px-ES-kartesiarra.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/f/f5/ES-kartesiarra.png/240px-ES-kartesiarra.png 2x" data-file-width="863" data-file-height="696" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:ES-kartesiarra.png" class="galleryfilename galleryfilename-truncate" title="File:ES-kartesiarra.png">ES-kartesiarra.png</a> 863 × 696; 30 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:ES-osagaiak.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/6/63/ES-osagaiak.png/120px-ES-osagaiak.png" decoding="async" loading="lazy" width="120" height="91" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/6/63/ES-osagaiak.png/180px-ES-osagaiak.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/6/63/ES-osagaiak.png/240px-ES-osagaiak.png 2x" data-file-width="869" data-file-height="661" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:ES-osagaiak.png" class="galleryfilename galleryfilename-truncate" title="File:ES-osagaiak.png">ES-osagaiak.png</a> 869 × 661; 29 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:ES-zilindrikoa.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/ES-zilindrikoa.png/120px-ES-zilindrikoa.png" decoding="async" loading="lazy" width="120" height="97" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/ES-zilindrikoa.png/180px-ES-zilindrikoa.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/ES-zilindrikoa.png/240px-ES-zilindrikoa.png 2x" data-file-width="863" data-file-height="697" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:ES-zilindrikoa.png" class="galleryfilename galleryfilename-truncate" title="File:ES-zilindrikoa.png">ES-zilindrikoa.png</a> 863 × 697; 48 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Inertial_frames.PNG" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Inertial_frames.PNG/109px-Inertial_frames.PNG" decoding="async" loading="lazy" width="109" height="120" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Inertial_frames.PNG/163px-Inertial_frames.PNG 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Inertial_frames.PNG/217px-Inertial_frames.PNG 2x" data-file-width="730" data-file-height="807" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Inertial_frames.PNG" class="galleryfilename galleryfilename-truncate" title="File:Inertial frames.PNG">Inertial frames.PNG</a> 730 × 807; 25 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Inertial_frames.svg" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Inertial_frames.svg/108px-Inertial_frames.svg.png" decoding="async" loading="lazy" width="108" height="120" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Inertial_frames.svg/163px-Inertial_frames.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Inertial_frames.svg/217px-Inertial_frames.svg.png 2x" data-file-width="704" data-file-height="779" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Inertial_frames.svg" class="galleryfilename galleryfilename-truncate" title="File:Inertial frames.svg">Inertial frames.svg</a> 704 × 779; 22 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Inertial_hi.svg" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Inertial_hi.svg/120px-Inertial_hi.svg.png" decoding="async" loading="lazy" width="120" height="55" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Inertial_hi.svg/180px-Inertial_hi.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Inertial_hi.svg/240px-Inertial_hi.svg.png 2x" data-file-width="1100" data-file-height="500" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Inertial_hi.svg" class="galleryfilename galleryfilename-truncate" title="File:Inertial hi.svg">Inertial hi.svg</a> 1,100 × 500; 229 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Inertial.svg" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Inertial.svg/120px-Inertial.svg.png" decoding="async" loading="lazy" width="120" height="55" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Inertial.svg/180px-Inertial.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Inertial.svg/240px-Inertial.svg.png 2x" data-file-width="1100" data-file-height="500" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Inertial.svg" class="galleryfilename galleryfilename-truncate" title="File:Inertial.svg">Inertial.svg</a> 1,100 × 500; 229 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Koordenatu_esferikoak_(3).png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Koordenatu_esferikoak_%283%29.png/120px-Koordenatu_esferikoak_%283%29.png" decoding="async" loading="lazy" width="120" height="96" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Koordenatu_esferikoak_%283%29.png/180px-Koordenatu_esferikoak_%283%29.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Koordenatu_esferikoak_%283%29.png/240px-Koordenatu_esferikoak_%283%29.png 2x" data-file-width="864" data-file-height="693" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:Koordenatu_esferikoak_(3).png" class="galleryfilename galleryfilename-truncate" title="File:Koordenatu esferikoak (3).png">Koordenatu esferikoak (3).png</a> 864 × 693; 72 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:LES_eta_SG.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/LES_eta_SG.png/120px-LES_eta_SG.png" decoding="async" loading="lazy" width="120" height="115" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/LES_eta_SG.png/180px-LES_eta_SG.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/LES_eta_SG.png/240px-LES_eta_SG.png 2x" data-file-width="583" data-file-height="559" /></a></span></div> <div class="gallerytext"><a href="/wiki/File:LES_eta_SG.png" class="galleryfilename galleryfilename-truncate" title="File:LES eta SG.png">LES eta SG.png</a> 583 × 559; 42 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:LES_eta_SH.png" class="mw-file-description"><img alt="" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/LES_eta_SH.png/120px-LES_eta_SH.png" decoding="async" loading="lazy" 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rotation fig 1.svg</a> 668 × 361; 17 KB<br> </div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><span><video id="mwe_player_1" poster="https://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv/120px--Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv.jpg" controls="" preload="none" data-mw-tmh="" width="120" height="90" data-durationhint="133" data-mwtitle="Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv" data-mwprovider="local"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9c/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="640" data-height="480"><source src="https://upload.wikimedia.org/wikipedia/commons/9/9c/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv" type="video/ogg; codecs="theora, vorbis"" data-width="640" data-height="480"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9c/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="320" data-height="240"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9c/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="480" data-height="360"><source src="https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9c/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv/Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="480" data-height="360"></video></span></span></div> <div class="gallerytext"><a href="/wiki/File:Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie_1.ogv" class="galleryfilename galleryfilename-truncate" title="File:Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie 1.ogv">Visual-spatial-cue-use-for-guiding-orientation-in-two-to-three-year-old-children-Movie 1.ogv</a> 2 min 13 s, 640 × 480; 15.76 MB<br> </div> </li> <li class="gallerybox" style="width: 155px"> 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class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q7333337" title="Link to connected data repository item [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </nav> <nav id="p-lang" class="mw-portlet mw-portlet-lang vector-menu-portal portal vector-menu" aria-labelledby="p-lang-label" > <h3 id="p-lang-label" class="vector-menu-heading " > <span class="vector-menu-heading-label">In Wikipedia</span> </h3> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Bezugssystem" title="Bezugssystem – Alemannic" lang="gsw" hreflang="gsw" data-title="Bezugssystem" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A5%D8%B7%D8%A7%D8%B1_%D9%85%D8%B1%D8%AC%D8%B9%D9%8A" title="إطار مرجعي – Arabic" lang="ar" hreflang="ar" data-title="إطار مرجعي" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A7%B0%E0%A6%B8%E0%A6%82%E0%A6%97_%E0%A6%AA%E0%A7%8D%E0%A7%B0%E0%A6%A3%E0%A6%BE%E0%A6%B2%E0%A7%80" title="প্ৰসংগ প্ৰণালী – Assamese" lang="as" hreflang="as" data-title="প্ৰসংগ প্ৰণালী" data-language-autonym="অসমীয়া" data-language-local-name="Assamese" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Sistema_de_referencia" title="Sistema de referencia – Asturian" lang="ast" hreflang="ast" data-title="Sistema de referencia" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Hesablama_sistemi" title="Hesablama sistemi – Azerbaijani" lang="az" hreflang="az" data-title="Hesablama sistemi" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A1%D1%96%D1%81%D1%82%D1%8D%D0%BC%D0%B0_%D0%B0%D0%B4%D0%BB%D1%96%D0%BA%D1%83" title="Сістэма адліку – Belarusian" lang="be" hreflang="be" data-title="Сістэма адліку" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-tarask mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D1%8D%D0%B3%D0%BE%D1%80%D1%8B%D1%8F:%D0%A1%D1%8B%D1%81%D1%82%D1%8D%D0%BC%D1%8B_%D0%B0%D0%B4%D0%BB%D1%96%D0%BA%D1%83" title="Катэгорыя:Сыстэмы адліку – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Катэгорыя:Сыстэмы адліку" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D1%8D%D0%B3%D0%BE%D1%80%D1%8B%D1%8F:%D0%A1%D1%8B%D1%81%D1%82%D1%8D%D0%BC%D1%8B_%D0%B0%D0%B4%D0%BB%D1%96%D0%BA%D1%83" title="Катэгорыя:Сыстэмы адліку – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Катэгорыя:Сыстэмы адліку" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9E%D1%82%D0%BF%D1%80%D0%B0%D0%B2%D0%BD%D0%B0_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Отправна система – Bulgarian" lang="bg" hreflang="bg" data-title="Отправна система" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AA%E0%A4%B0%E0%A4%B8%E0%A4%82%E0%A4%97_%E0%A4%AA%E0%A4%B0%E0%A4%A8%E0%A4%BE%E0%A4%B2%E0%A5%80" title="परसंग परनाली – Bhojpuri" lang="bh" hreflang="bh" data-title="परसंग परनाली" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%B8%E0%A6%99%E0%A7%8D%E0%A6%97_%E0%A6%95%E0%A6%BE%E0%A6%A0%E0%A6%BE%E0%A6%AE%E0%A7%8B" title="প্রসঙ্গ কাঠামো – Bangla" lang="bn" hreflang="bn" data-title="প্রসঙ্গ কাঠামো" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Sistema_de_refer%C3%A8ncia" title="Sistema de referència – Catalan" lang="ca" hreflang="ca" data-title="Sistema de referència" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%86%D9%88%D8%A7%D8%B1%DA%86%DB%8E%D9%88%DB%95%DB%8C_%D8%A6%D8%A7%D9%85%D8%A7%DA%98%DB%95%D9%BE%DB%8E%D8%AF%D8%A7%D9%86" title="چوارچێوەی ئاماژەپێدان – Central Kurdish" lang="ckb" hreflang="ckb" data-title="چوارچێوەی ئاماژەپێدان" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Vzta%C5%BEn%C3%A1_soustava" title="Vztažná soustava – Czech" lang="cs" hreflang="cs" data-title="Vztažná soustava" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9F%D1%83%C3%A7%D0%BB%D0%B0%D0%B2_%D1%82%D1%8B%D1%82%C4%83%D0%BC%C4%95" title="Пуçлав тытăмĕ – Chuvash" lang="cv" hreflang="cv" data-title="Пуçлав тытăмĕ" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Henf%C3%B8relsessystem" title="Henførelsessystem – Danish" lang="da" hreflang="da" data-title="Henførelsessystem" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Bezugssystem" title="Bezugssystem – German" lang="de" hreflang="de" data-title="Bezugssystem" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Frame_of_reference" title="Frame of reference – English" lang="en" hreflang="en" data-title="Frame of reference" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Referenckadro" title="Referenckadro – Esperanto" lang="eo" hreflang="eo" data-title="Referenckadro" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Sistema_de_referencia" title="Sistema de referencia – Spanish" lang="es" hreflang="es" data-title="Sistema de referencia" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Tausts%C3%BCsteem" title="Taustsüsteem – Estonian" lang="et" hreflang="et" data-title="Taustsüsteem" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Erreferentzia-sistema" title="Erreferentzia-sistema – Basque" lang="eu" hreflang="eu" data-title="Erreferentzia-sistema" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%86%D8%A7%D8%B1%DA%86%D9%88%D8%A8_%D9%85%D8%B1%D8%AC%D8%B9" title="چارچوب مرجع – Persian" lang="fa" hreflang="fa" data-title="چارچوب مرجع" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Vertausj%C3%A4rjestelm%C3%A4" title="Vertausjärjestelmä – Finnish" lang="fi" hreflang="fi" data-title="Vertausjärjestelmä" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/R%C3%A9f%C3%A9rentiel_(physique)" title="Référentiel (physique) – French" lang="fr" hreflang="fr" data-title="Référentiel (physique)" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Sistema_de_referencia" title="Sistema de referencia – Galician" lang="gl" hreflang="gl" data-title="Sistema de referencia" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A2%D7%A8%D7%9B%D7%AA_%D7%99%D7%99%D7%97%D7%95%D7%A1" title="מערכת ייחוס – Hebrew" lang="he" hreflang="he" data-title="מערכת ייחוס" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A4%82%E0%A4%A6%E0%A4%B0%E0%A5%8D%E0%A4%AD_%E0%A4%B5%E0%A4%BF%E0%A4%A8%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%B8" title="संदर्भ विन्यास – Hindi" lang="hi" hreflang="hi" data-title="संदर्भ विन्यास" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Referentni_sustav" title="Referentni sustav – Croatian" lang="hr" hreflang="hr" data-title="Referentni sustav" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Vonatkoztat%C3%A1si_rendszer" title="Vonatkoztatási rendszer – Hungarian" lang="hu" hreflang="hu" data-title="Vonatkoztatási rendszer" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%A1%D5%B7%D5%BE%D5%A1%D6%80%D5%AF%D5%B4%D5%A1%D5%B6_%D5%B0%D5%A1%D5%B4%D5%A1%D5%AF%D5%A1%D6%80%D5%A3_(%D6%86%D5%AB%D5%A6%D5%AB%D5%AF%D5%A1)" title="Հաշվարկման համակարգ (ֆիզիկա) – Armenian" lang="hy" hreflang="hy" data-title="Հաշվարկման համակարգ (ֆիզիկա)" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%80%D5%A1%D5%B4%D5%A1%D5%AF%D5%A1%D6%80%D5%A3_(%D5%A2%D5%B6%D5%A1%D5%A3%D5%AB%D5%BF%D5%B8%D6%82%D5%A9%D5%AB%D6%82%D5%B6)" title="Համակարգ (բնագիտութիւն) – Western Armenian" lang="hyw" hreflang="hyw" data-title="Համակարգ (բնագիտութիւն)" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kerangka_acuan" title="Kerangka acuan – Indonesian" lang="id" hreflang="id" data-title="Kerangka acuan" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Sistema_di_riferimento" title="Sistema di riferimento – Italian" lang="it" hreflang="it" data-title="Sistema di riferimento" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9F%BA%E6%BA%96%E7%B3%BB" title="基準系 – Japanese" lang="ja" hreflang="ja" data-title="基準系" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%90%E1%83%A2%E1%83%94%E1%83%92%E1%83%9D%E1%83%A0%E1%83%98%E1%83%90:%E1%83%90%E1%83%97%E1%83%95%E1%83%9A%E1%83%98%E1%83%A1_%E1%83%A1%E1%83%98%E1%83%A1%E1%83%A2%E1%83%94%E1%83%9B%E1%83%94%E1%83%91%E1%83%98" title="კატეგორია:ათვლის სისტემები – Georgian" lang="ka" hreflang="ka" data-title="კატეგორია:ათვლის სისტემები" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A1%D0%B0%D0%BD%D0%B0%D2%9B_%D0%B6%D2%AF%D0%B9%D0%B5%D1%81%D1%96" title="Санақ жүйесі – Kazakh" lang="kk" hreflang="kk" data-title="Санақ жүйесі" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B8%B0%EC%A4%80%ED%8B%80" title="기준틀 – Korean" lang="ko" hreflang="ko" data-title="기준틀" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%98%D0%B4%D0%BE%D0%B2%D0%B5%D0%BD_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC" title="Појдовен систем – Macedonian" lang="mk" hreflang="mk" data-title="Појдовен систем" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Referentiekader" title="Referentiekader – Dutch" lang="nl" hreflang="nl" data-title="Referentiekader" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Referansesystem" title="Referansesystem – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Referansesystem" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Referansesystem" title="Referansesystem – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Referansesystem" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Uk%C5%82ad_odniesienia" title="Układ odniesienia – Polish" lang="pl" hreflang="pl" data-title="Układ odniesienia" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Referencial" title="Referencial – Portuguese" lang="pt" hreflang="pt" data-title="Referencial" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Sistem_de_referin%C8%9B%C4%83" title="Sistem de referință – Romanian" lang="ro" hreflang="ro" data-title="Sistem de referință" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0_%D0%BE%D1%82%D1%81%D1%87%D1%91%D1%82%D0%B0" title="Система отсчёта – Russian" lang="ru" hreflang="ru" data-title="Система отсчёта" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Sistema_di_rifirimentu" title="Sistema di rifirimentu – Sicilian" lang="scn" hreflang="scn" data-title="Sistema di rifirimentu" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Referentni_okvir" title="Referentni okvir – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Referentni okvir" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Frame_of_reference" title="Frame of reference – Simple English" lang="en-simple" hreflang="en-simple" data-title="Frame of reference" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Vz%C5%A5a%C5%BEn%C3%A1_s%C3%BAstava" title="Vzťažná sústava – Slovak" lang="sk" hreflang="sk" data-title="Vzťažná sústava" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Opazovalni_sistem" title="Opazovalni sistem – Slovenian" lang="sl" hreflang="sl" data-title="Opazovalni sistem" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Sistemi_i_referimit" title="Sistemi i referimit – Albanian" lang="sq" hreflang="sq" data-title="Sistemi i referimit" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Referentni_sistem" title="Referentni sistem – Serbian" lang="sr" hreflang="sr" data-title="Referentni sistem" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%A3%E0%B8%AD%E0%B8%9A%E0%B8%AD%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B4%E0%B8%87" title="กรอบอ้างอิง – Thai" lang="th" hreflang="th" data-title="กรอบอ้างอิง" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Konu%C5%9Flanma_sistemi" title="Konuşlanma sistemi – Turkish" lang="tr" hreflang="tr" data-title="Konuşlanma sistemi" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0_%D0%B2%D1%96%D0%B4%D0%BB%D1%96%D0%BA%D1%83" title="Система відліку – Ukrainian" lang="uk" hreflang="uk" data-title="Система відліку" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/H%E1%BB%87_quy_chi%E1%BA%BFu" title="Hệ quy chiếu – Vietnamese" lang="vi" hreflang="vi" data-title="Hệ quy chiếu" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%8F%82%E8%80%83%E7%B3%BB" title="参考系 – Wu" lang="wuu" hreflang="wuu" data-title="参考系" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8F%82%E8%80%83%E7%B3%BB" title="参考系 – Chinese" lang="zh" hreflang="zh" data-title="参考系" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%8F%83%E8%80%83%E7%B3%BB" title="參考系 – Cantonese" lang="yue" hreflang="yue" data-title="參考系" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q7333337#sitelinks-wikipedia" title="Edit interlanguage links" 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