195 lines
7.5 KiB
HTML
195 lines
7.5 KiB
HTML
<!DOCTYPE html>
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<head><meta http-equiv="x-ua-compatible" content="ie=edge">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>C 日期和时间工具</title>
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<link rel="stylesheet" href="ext.css" />
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<link rel="stylesheet" href="site_modules.css" />
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</head>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_chrono_c skin-cppreference2 action-view cpp-navbar">
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<div id="cpp-content-base">
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<div id="content"><a id="top"></a>
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<h1 id="firstHeading" class="firstHeading">C 日期和时间工具</h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-chrono.html">chrono</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<h3><span class="mw-headline" id=".E5.87.BD.E6.95.B0">函数</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc-header">
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<td colspan="2">
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<div>定义于头文件 <code><a href="cpp-header-ctime.html"><ctime></a></code></div>
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</td>
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</tr>
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<tr>
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<td colspan="2">
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<h5><span class="mw-headline" id=".E6.97.B6.E9.97.B4.E6.93.8D.E4.BD.9C">时间操作</span></h5>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-difftime.html"><span class="t-lines"><span>difftime</span></span></a></div>
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</div>
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</td>
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<td>计算时间之间的差<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-time.html"><span class="t-lines"><span>time</span></span></a></div>
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</div>
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</td>
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<td>返回自纪元起计的系统当前时间<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-clock.html"><span class="t-lines"><span>clock</span></span></a></div>
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</div>
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</td>
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<td>返回自程序启动时起的原始处理器时钟时间<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-timespec_get.html"><span class="t-lines"><span>timespec_get</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
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</div>
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</td>
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<td>返回基于给定时间基底的日历时间<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr>
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<td colspan="2">
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<h5><span class="mw-headline" id=".E6.A0.BC.E5.BC.8F.E8.BD.AC.E6.8D.A2">格式转换</span></h5>
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</td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-asctime.html"><span class="t-lines"><span>asctime</span></span></a></div>
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</div>
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</td>
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<td>转换 <code>tm</code> 对象为文本表示<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-ctime.html"><span class="t-lines"><span>ctime</span></span></a></div>
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</div>
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</td>
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<td>转换 <code>time_t</code> 对象为文本表示<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-strftime.html"><span class="t-lines"><span>strftime</span></span></a></div>
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</div>
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</td>
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<td>转换 <code>tm</code> 对象到自定义的文本表示<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-wcsftime.html"><span class="t-lines"><span>wcsftime</span></span></a></div>
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</div>
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</td>
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<td>转换 <code>tm</code> 对象为定制的宽字符串文本表示<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-gmtime.html"><span class="t-lines"><span>gmtime</span></span></a></div>
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</div>
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</td>
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<td>转换纪元起时间为以协调世界时表示的日历时间<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-localtime.html"><span class="t-lines"><span>localtime</span></span></a></div>
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</div>
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</td>
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<td>转换纪元起时间为以本地时间表示的日历时间<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-mktime.html"><span class="t-lines"><span>mktime</span></span></a></div>
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</div>
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</td>
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<td>转换日历时间为纪元起的时间<br />
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<span class="t-mark">(函数)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.B8.B8.E9.87.8F">常量</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-CLOCKS_PER_SEC.html"><span class="t-lines"><span>CLOCKS_PER_SEC</span></span></a></div>
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</div>
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</td>
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<td>每秒的处理器始时钟嘀嗒数<br />
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<span class="t-mark">(宏常量)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E7.B1.BB.E5.9E.8B">类型</span></h3>
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<table class="t-dsc-begin">
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-tm.html"><span class="t-lines"><span>tm</span></span></a></div>
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</div>
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</td>
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<td>日历时间类型<br />
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<span class="t-mark">(类)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-time_t.html"><span class="t-lines"><span>time_t</span></span></a></div>
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</div>
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</td>
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<td>从纪元起的时间类型<br />
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<span class="t-mark">(typedef)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-clock_t.html"><span class="t-lines"><span>clock_t</span></span></a></div>
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</div>
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</td>
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<td>进程运行时间<br />
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<span class="t-mark">(typedef)</span></td>
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</tr>
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<tr class="t-dsc">
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<td>
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<div class="t-dsc-member-div">
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<div><a href="cpp-chrono-c-timespec.html"><span class="t-lines"><span>timespec</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
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</div>
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</td>
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<td>以秒和纳秒表示的时间<br />
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<span class="t-mark">(结构体)</span></td>
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</tr>
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</table>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<table class="t-dsc-begin"></table>
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</div>
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<div class="visualClear"></div>
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</div>
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</div>
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</div>
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</body>
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</html>
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