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href="/wiki/Help:%E6%96%B0%E6%89%8B%E5%85%A5%E9%97%A8" aria-label="了解有关编辑的更多信息"><span>了解详情</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%B4%A1%E7%8C%AE" title="来自此IP地址的编辑列表[y]" accesskey="y"><span>贡献</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="对于来自此IP地址编辑的讨论[n]" accesskey="n"><span>讨论</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="站点"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目录" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">序言</div> </a> </li> <li id="toc-符号" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#符号"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>符号</span> </div> </a> <ul id="toc-符号-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-數學" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#數學"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>數學</span> </div> </a> <ul id="toc-數學-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-交通" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#交通"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>交通</span> </div> </a> <ul id="toc-交通-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-生物学" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#生物学"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>生物学</span> </div> </a> <ul id="toc-生物学-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-其他" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#其他"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>其他</span> </div> </a> <ul id="toc-其他-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目录" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="开关目录" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">开关目录</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">X (消歧義)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="前往另一种语言写成的文章。42种语言可用" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-42" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">42种语言</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/X_(%D8%AA%D9%88%D8%B6%D9%8A%D8%AD)" title="X (توضيح) – 阿拉伯语" lang="ar" hreflang="ar" data-title="X (توضيح)" data-language-autonym="العربية" data-language-local-name="阿拉伯语" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/X_(d%C9%99qiql%C9%99%C5%9Fdirm%C9%99)" title="X (dəqiqləşdirmə) – 阿塞拜疆语" lang="az" hreflang="az" data-title="X (dəqiqləşdirmə)" data-language-autonym="Azərbaycanca" data-language-local-name="阿塞拜疆语" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/X" title="X – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="X" 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-br mw-list-item"><a href="https://br.wikipedia.org/wiki/X" title="X – 布列塔尼语" lang="br" hreflang="br" data-title="X" data-language-autonym="Brezhoneg" data-language-local-name="布列塔尼语" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/X_(desambiguaci%C3%B3)" title="X (desambiguació) – 加泰罗尼亚语" lang="ca" hreflang="ca" data-title="X (desambiguació)" data-language-autonym="Català" data-language-local-name="加泰罗尼亚语" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/X_(rozcestn%C3%ADk)" title="X (rozcestník) – 捷克语" lang="cs" hreflang="cs" data-title="X (rozcestník)" data-language-autonym="Čeština" data-language-local-name="捷克语" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/X_(flertydig)" title="X (flertydig) – 丹麦语" lang="da" hreflang="da" data-title="X (flertydig)" data-language-autonym="Dansk" data-language-local-name="丹麦语" 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/X_(Begriffskl%C3%A4rung)" title="X (Begriffsklärung) – 德语" lang="de" hreflang="de" data-title="X (Begriffsklärung)" data-language-autonym="Deutsch" data-language-local-name="德语" 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/X_(disambiguation)" title="X (disambiguation) – 英语" lang="en" hreflang="en" data-title="X (disambiguation)" data-language-autonym="English" data-language-local-name="英语" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/X_(desambiguaci%C3%B3n)" title="X (desambiguación) – 西班牙语" lang="es" hreflang="es" data-title="X (desambiguación)" data-language-autonym="Español" data-language-local-name="西班牙语" 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/X_(t%C3%A4psustus)" title="X (täpsustus) – 爱沙尼亚语" lang="et" hreflang="et" data-title="X (täpsustus)" data-language-autonym="Eesti" data-language-local-name="爱沙尼亚语" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/X_(%D8%A7%D8%A8%D9%87%D8%A7%D9%85%E2%80%8C%D8%B2%D8%AF%D8%A7%DB%8C%DB%8C)" title="X (ابهام‌زدایی) – 波斯语" lang="fa" hreflang="fa" data-title="X (ابهام‌زدایی)" data-language-autonym="فارسی" data-language-local-name="波斯语" 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/X_(t%C3%A4smennyssivu)" title="X (täsmennyssivu) – 芬兰语" lang="fi" hreflang="fi" data-title="X (täsmennyssivu)" data-language-autonym="Suomi" data-language-local-name="芬兰语" 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/X" title="X – 法语" lang="fr" hreflang="fr" data-title="X" data-language-autonym="Français" data-language-local-name="法语" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/X" title="X – 北弗里西亚语" lang="frr" hreflang="frr" data-title="X" data-language-autonym="Nordfriisk" data-language-local-name="北弗里西亚语" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/X" title="X – 爱尔兰语" lang="ga" hreflang="ga" data-title="X" data-language-autonym="Gaeilge" data-language-local-name="爱尔兰语" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/X_(%D7%A4%D7%99%D7%A8%D7%95%D7%A9%D7%95%D7%A0%D7%99%D7%9D)" title="X (פירושונים) – 希伯来语" lang="he" hreflang="he" data-title="X (פירושונים)" data-language-autonym="עברית" data-language-local-name="希伯来语" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/X_(egy%C3%A9rtelm%C5%B1s%C3%ADt%C5%91_lap)" title="X (egyértelműsítő lap) – 匈牙利语" lang="hu" hreflang="hu" data-title="X (egyértelműsítő lap)" data-language-autonym="Magyar" data-language-local-name="匈牙利语" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/X_(disambiguasi)" title="X (disambiguasi) – 印度尼西亚语" lang="id" hreflang="id" data-title="X (disambiguasi)" data-language-autonym="Bahasa Indonesia" data-language-local-name="印度尼西亚语" 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/X_(disambigua)" title="X (disambigua) – 意大利语" lang="it" hreflang="it" data-title="X (disambigua)" data-language-autonym="Italiano" data-language-local-name="意大利语" 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/X_(%E6%9B%96%E6%98%A7%E3%81%95%E5%9B%9E%E9%81%BF)" title="X (曖昧さ回避) – 日语" lang="ja" hreflang="ja" data-title="X (曖昧さ回避)" data-language-autonym="日本語" data-language-local-name="日语" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/X_(%EB%8F%99%EC%9D%8C%EC%9D%B4%EC%9D%98)" title="X (동음이의) – 韩语" lang="ko" hreflang="ko" data-title="X (동음이의)" data-language-autonym="한국어" data-language-local-name="韩语" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/X" title="X – 库尔德语" lang="ku" hreflang="ku" data-title="X" data-language-autonym="Kurdî" data-language-local-name="库尔德语" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/X_(reik%C5%A1m%C4%97s)" title="X (reikšmės) – 立陶宛语" lang="lt" hreflang="lt" data-title="X (reikšmės)" data-language-autonym="Lietuvių" data-language-local-name="立陶宛语" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/X" title="X – 荷兰语" lang="nl" hreflang="nl" data-title="X" data-language-autonym="Nederlands" data-language-local-name="荷兰语" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/X_(ujednoznacznienie)" title="X (ujednoznacznienie) – 波兰语" lang="pl" hreflang="pl" data-title="X (ujednoznacznienie)" data-language-autonym="Polski" data-language-local-name="波兰语" 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/X_(desambigua%C3%A7%C3%A3o)" title="X (desambiguação) – 葡萄牙语" lang="pt" hreflang="pt" data-title="X (desambiguação)" data-language-autonym="Português" data-language-local-name="葡萄牙语" 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/X_(dezambiguizare)" title="X (dezambiguizare) – 罗马尼亚语" lang="ro" hreflang="ro" data-title="X (dezambiguizare)" data-language-autonym="Română" data-language-local-name="罗马尼亚语" 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/X" title="X – 俄语" lang="ru" hreflang="ru" data-title="X" data-language-autonym="Русский" data-language-local-name="俄语" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/X" title="X – 塞尔维亚-克罗地亚语" lang="sh" hreflang="sh" data-title="X" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="塞尔维亚-克罗地亚语" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/X_(razlo%C4%8Ditev)" title="X (razločitev) – 斯洛文尼亚语" lang="sl" hreflang="sl" data-title="X (razločitev)" data-language-autonym="Slovenščina" data-language-local-name="斯洛文尼亚语" 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/X" title="X – 阿尔巴尼亚语" lang="sq" hreflang="sq" data-title="X" data-language-autonym="Shqip" data-language-local-name="阿尔巴尼亚语" 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/X_(vi%C5%A1ezna%C4%8Dna_odrednica)" title="X (višeznačna odrednica) – 塞尔维亚语" lang="sr" hreflang="sr" data-title="X (višeznačna odrednica)" data-language-autonym="Српски / srpski" data-language-local-name="塞尔维亚语" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/X_(disambiguasi)" title="X (disambiguasi) – 巽他语" lang="su" hreflang="su" data-title="X (disambiguasi)" data-language-autonym="Sunda" data-language-local-name="巽他语" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/X_(olika_betydelser)" title="X (olika betydelser) – 瑞典语" lang="sv" hreflang="sv" data-title="X (olika betydelser)" data-language-autonym="Svenska" data-language-local-name="瑞典语" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/X_(%E0%B9%81%E0%B8%81%E0%B9%89%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%81%E0%B8%B3%E0%B8%81%E0%B8%A7%E0%B8%A1)" title="X (แก้ความกำกวม) – 泰语" lang="th" hreflang="th" data-title="X (แก้ความกำกวม)" data-language-autonym="ไทย" data-language-local-name="泰语" 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/X_(anlam_ayr%C4%B1m%C4%B1)" title="X (anlam ayrımı) – 土耳其语" lang="tr" hreflang="tr" data-title="X (anlam ayrımı)" data-language-autonym="Türkçe" data-language-local-name="土耳其语" 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/X" title="X – 乌克兰语" lang="uk" hreflang="uk" data-title="X" data-language-autonym="Українська" data-language-local-name="乌克兰语" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/X_(ma%CA%BCnolari)" title="X (maʼnolari) – 乌兹别克语" lang="uz" hreflang="uz" data-title="X (maʼnolari)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="乌兹别克语" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/X_(%C4%91%E1%BB%8Bnh_h%C6%B0%E1%BB%9Bng)" title="X (định hướng) – 越南语" lang="vi" hreflang="vi" data-title="X (định hướng)" data-language-autonym="Tiếng Việt" data-language-local-name="越南语" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zgh mw-list-item"><a href="https://zgh.wikipedia.org/wiki/X" title="X – 标准摩洛哥塔马塞特语" lang="zgh" hreflang="zgh" data-title="X" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="标准摩洛哥塔马塞特语" class="interlanguage-link-target"><span>ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/X_(%E6%90%9E%E6%B8%85%E6%A5%9A)" title="X (搞清楚) – 粤语" lang="yue" hreflang="yue" data-title="X (搞清楚)" data-language-autonym="粵語" data-language-local-name="粤语" 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/Q21048#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</a></span></div> </div> </div> </div> </header> <div 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hreflang="zh-Hant-TW"><span>臺灣正體</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="查看"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)"><span>阅读</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=edit" title="编辑该页面[e]" accesskey="e"><span>编辑</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=history" title="本页面的早前版本。[h]" accesskey="h"><span>查看历史</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="页面工具"> <div id="vector-page-tools-dropdown" class="vector-dropdown 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title="编辑该页面[e]" accesskey="e"><span>编辑</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=history"><span>查看历史</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> 常规 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:%E9%93%BE%E5%85%A5%E9%A1%B5%E9%9D%A2/X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" title="列出所有与本页相链的页面[j]" accesskey="j"><span>链入页面</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:%E9%93%BE%E5%87%BA%E6%9B%B4%E6%94%B9/X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" rel="nofollow" title="页面链出所有页面的更改[k]" accesskey="k"><span>相关更改</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Project:%E4%B8%8A%E4%BC%A0" title="上传图像或多媒体文件[u]" 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href="/w/index.php?title=Special:URL%E7%BC%A9%E7%9F%AD%E7%A8%8B%E5%BA%8F&url=https%3A%2F%2Fzh.wikipedia.org%2Fwiki%2FX_%28%25E6%25B6%2588%25E6%25AD%25A7%25E7%25BE%25A9%29"><span>获取短链接</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fzh.wikipedia.org%2Fwiki%2FX_%28%25E6%25B6%2588%25E6%25AD%25A7%25E7%25BE%25A9%29"><span>下载二维码</span></a></li> </ul> </div> </div> <div id="p-electronpdfservice-sidebar-portlet-heading" class="vector-menu mw-portlet mw-portlet-electronpdfservice-sidebar-portlet-heading" > <div class="vector-menu-heading"> 打印/导出 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="electron-print_pdf" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=X_%28%E6%B6%88%E6%AD%A7%E7%BE%A9%29&action=show-download-screen"><span>下载为PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="javascript:print();" rel="alternate" title="本页面的可打印版本[p]" accesskey="p"><span>打印页面</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> 在其他项目中 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q21048" title="链接到连接的数据仓库项目[g]" accesskey="g"><span>维基数据项目</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="页面工具"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="外观"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">外观</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">隐藏</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">维基百科，自由的百科全书</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="zh" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r82655521">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:#f9f9f9;display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><div class="side-box side-box-right plainlinks sistersitebox" style="font-size:small;"><style data-mw-deduplicate="TemplateStyles:r82655520">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/40px-Wiktionary-logo.svg.png" decoding="async" width="40" height="38" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/60px-Wiktionary-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/80px-Wiktionary-logo.svg.png 2x" data-file-width="370" data-file-height="350" /></span></span></div> <div class="side-box-text plainlist">查看<a href="/wiki/%E7%BB%B4%E5%9F%BA%E8%AF%8D%E5%85%B8" title="维基词典">维基词典</a>中的词条「<b><a href="https://zh.wiktionary.org/wiki/X" class="extiw" title="wikt:X">X</a></b>」或「<b><a href="https://zh.wiktionary.org/wiki/x" class="extiw" title="wikt:x">x</a></b>」。</div></div> </div> <p><b><a href="/wiki/X" title="X">X</a></b>或<b>x</b>通常指拉丁字母中的第二十四個字母。 </p><p><b>X</b>或<b>x</b>也可指： </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="符号"><span id=".E7.AC.A6.E5.8F.B7"></span>符号</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=edit&section=1" title="编辑章节：符号"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%CE%A7" title="Χ">Χ</a>，第二十二個希臘字母，转写为“chi”。</li> <li><a href="/wiki/%D0%A5" title="Х">Х</a>，常用于斯拉夫語言的西裏爾字母，转写為“kha”。</li> <li><a href="/wiki/%E6%B8%85%E8%BB%9F%E9%A1%8E%E6%93%A6%E9%9F%B3" class="mw-redirect" title="清軟顎擦音">清軟顎擦音</a>，一种辅音，國際音標是“x”。</li> <li><a href="/wiki/%E9%9A%B1%E8%AB%B1%E8%99%9F" class="mw-redirect" title="隱諱號">隱諱號</a>，用“×”來代替不願或不便寫出來的字的符號。</li> <li><a href="/wiki/%E5%8F%89%E8%99%9F" title="叉號">叉號</a>，用两条交叉线组成"╳"符号來表示“不”、“否”等意義。</li> <li><a href="/wiki/%E7%BE%85%E9%A6%AC%E6%95%B8%E5%AD%97" class="mw-redirect" title="羅馬數字">羅馬數字</a>中代表数字10。</li></ul> <div class="mw-heading mw-heading2"><h2 id="數學"><span id=".E6.95.B8.E5.AD.B8"></span>數學</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=edit&section=2" title="编辑章节：數學"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>一個常用的<a href="/wiki/%E8%AE%8A%E6%95%B8" title="變數">变量</a>。</li> <li>乘號（<a href="/wiki/%C3%97" class="mw-redirect" title="×">×</a>或<span class="Unicode">✕</span>）。</li> <li>在<a href="/wiki/%E8%A7%A3%E6%9E%90%E5%87%A0%E4%BD%95" title="解析几何">解析几何</a>中通常用来表示水平的坐标轴。</li></ul> <div class="mw-heading mw-heading2"><h2 id="交通"><span id=".E4.BA.A4.E9.80.9A"></span>交通</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=edit&section=3" title="编辑章节：交通"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/JR%E8%A5%BF%E6%97%A5%E6%9C%AC" class="mw-redirect" title="JR西日本">JR西日本</a><a href="/wiki/%E5%B1%B1%E9%99%BD%E6%9C%AC%E7%B7%9A" title="山陽本線">山陽本線</a>（<a href="/wiki/%E7%A6%8F%E5%B1%B1%E7%AB%99_(%E6%97%A5%E6%9C%AC)" class="mw-redirect" title="福山站 (日本)">福山站</a>至<a href="/wiki/%E7%B3%B8%E5%B4%8E%E7%AB%99" title="糸崎站">糸崎站</a>）的路線編號。</li></ul> <div class="mw-heading mw-heading2"><h2 id="生物学"><span id=".E7.94.9F.E7.89.A9.E5.AD.A6"></span>生物学</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=edit&section=4" title="编辑章节：生物学"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/X%E6%9F%93%E8%89%B2%E9%AB%94" title="X染色體">X染色體</a>。</li> <li><a href="/wiki/%E7%89%B9%E7%BA%B3%E6%B0%8F%E7%BB%BC%E5%90%88%E5%BE%81" class="mw-redirect" title="特纳氏综合征">特纳氏综合征</a>。</li></ul> <div class="mw-heading mw-heading2"><h2 id="其他"><span id=".E5.85.B6.E4.BB.96"></span>其他</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)&action=edit&section=5" title="编辑章节：其他"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/X%E6%AA%94%E6%A1%88" class="mw-redirect" title="X檔案">X檔案</a>，美国电视科幻影集。</li> <li><a href="/wiki/X_Window%E7%B3%BB%E7%B5%B1" class="mw-redirect" title="X Window系統">X Window系統</a>，一個免費的圖形窗口界面，由<a href="/wiki/%E9%BA%BB%E7%9C%81%E7%90%86%E5%B7%A5%E5%A4%A7%E5%AD%A6" class="mw-redirect" title="麻省理工大学">麻省理工大學</a>研製。</li> <li><a href="/wiki/X_Japan" class="mw-redirect" title="X Japan">X Japan</a>，日本<a href="/wiki/%E8%A6%96%E8%A6%BA%E7%B3%BB" title="視覺系">視覺系</a>樂團，簡稱X。</li> <li><a href="/wiki/X_(%E6%BC%AB%E7%95%AB)" title="X (漫畫)">X (漫畫)</a>，CLAMP的漫畫作品。</li> <li><a href="/wiki/X_(%E6%B8%B8%E6%88%8F)" title="X (游戏)">X (游戏)</a>，1992年Game Boy第一人称射击电子游戏。</li> <li><a href="/wiki/X_(%E7%B4%85%E9%AB%AE%E8%89%BE%E5%BE%B7%E5%B0%88%E8%BC%AF)" title="X (紅髮艾德專輯)">X (紅髮艾德專輯)</a>，歌手紅髮艾德2014年专辑。</li> <li><a href="/wiki/X_(2010%E5%B9%B4%E5%85%AC%E5%8F%B8)" title="X (2010年公司)">X (2010年公司)</a>，谷歌公司旗下的一家实验室。</li> <li><a href="/wiki/X_(2023%E5%B9%B4%E5%85%AC%E5%8F%B8)" title="X (2023年公司)">X (2023年公司)</a>，埃隆·马斯克于2023年开设的一家私人企业。 <ul><li><a href="/wiki/X_(%E7%A4%BE%E4%BA%A4%E7%B6%B2%E8%B7%AF%E6%9C%8D%E5%8B%99)" title="X (社交網路服務)">X (社交網路服務)</a>，美国社交網路平台，2023年以前的名称为<a href="/wiki/Twitter" title="Twitter">Twitter</a>。</li></ul></li> <li>表示“加大”（<span lang="en">XL</span>）中的“加”、“額外的”。來自英語<i><span lang="en">extra</span></i>的發音</li> <li>表示“快速”。來自英語<i><span lang="en">Express</span></i>的發音</li></ul> <table border="0" class="toccolours" style="margin: 0 auto" align="center"> <tbody><tr> <th><a href="/wiki/%E6%8B%89%E4%B8%81%E5%AD%97%E6%AF%8D" title="拉丁字母">拉丁字母</a>消歧义 </th> <td class="hlist"> <ul><li><a href="/wiki/A_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="A (消歧义)">A</a></li> <li><a href="/wiki/B_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="B (消歧义)">B</a></li> <li><a href="/wiki/C_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="C (消歧義)">C</a></li> <li><a href="/wiki/D_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="D (消歧义)">D</a></li> <li><a href="/wiki/E_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="E (消歧義)">E</a></li> <li><a href="/wiki/F_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="F (消歧义)">F</a></li> <li><a href="/wiki/G_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="G (消歧义)">G</a></li> <li><a href="/wiki/H_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="H (消歧义)">H</a></li> <li><a href="/wiki/I_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="I (消歧義)">I</a></li> <li><a href="/wiki/J_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="J (消歧义)">J</a></li> <li><a href="/wiki/K_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="K (消歧義)">K</a></li> <li><a href="/wiki/L_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="L (消歧義)">L</a></li> <li><a href="/wiki/M_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="M (消歧義)">M</a></li> <li><a href="/wiki/N_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="N (消歧义)">N</a></li> <li><a href="/wiki/O_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="O (消歧义)">O</a></li> <li><a href="/wiki/P_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="P (消歧義)">P</a></li> <li><a href="/wiki/Q_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="Q (消歧义)">Q</a></li> <li><a href="/wiki/R_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="R (消歧義)">R</a></li> <li><a href="/wiki/S_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="S (消歧义)">S</a></li> <li><a href="/wiki/T_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="T (消歧義)">T</a></li> <li><a href="/wiki/U_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="U (消歧义)">U</a></li> <li><a href="/wiki/V_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="V (消歧義)">V</a></li> <li><a href="/wiki/W_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="W (消歧义)">W</a></li> <li><a class="mw-selflink selflink">X</a></li> <li><a href="/wiki/Y_(%E6%B6%88%E6%AD%A7%E4%B9%89)" class="mw-disambig" title="Y (消歧义)">Y</a></li> <li><a href="/wiki/Z_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" class="mw-disambig" title="Z (消歧義)">Z</a></li></ul> </td></tr></tbody></table> <table id="disambigbox" class="metadata plainlinks dmbox dmbox-disambig" style=""> <tbody><tr> <td class="mbox-image" style="padding: 2px 0 2px 0.4em;"> <span typeof="mw:File"><a href="/wiki/File:Disambig_gray.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/30px-Disambig_gray.svg.png" decoding="async" width="30" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/45px-Disambig_gray.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/60px-Disambig_gray.svg.png 2x" data-file-width="220" data-file-height="168" /></a></span></td> <td class="mbox-text" style="padding: 0.25em 0.4em;"> <b>这是一个<a href="/wiki/Wikipedia:%E6%B6%88%E6%AD%A7%E4%B9%89" title="Wikipedia:消歧义">消歧义页</a></b>，罗列了与相同的拉丁字母相关，但内容不同的条目。<br />如果您是通过某条目的<a href="/wiki/Special:%E9%93%BE%E5%85%A5%E9%A1%B5%E9%9D%A2/:X_(%E6%B6%88%E6%AD%A7%E7%BE%A9)" title="Special:链入页面/:X (消歧義)">内部链接</a>而转到本页，希望您能协助修正该处的内部链接，将它指向正确的条目中。 </td> <td class="mbox-imageright" style="padding: 2px 0.4em 2px 0;"> <span 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