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    <title>CAD开发者社区 - L 函数</title>
    <link>https://www.cadn.net.cn/portal.php?mod=list&amp;catid=871</link>
    <description>Latest 20 articles of L 函数</description>
    <copyright>Copyright(C) CAD开发者社区</copyright>
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    <lastBuildDate>Mon, 11 May 2026 23:55:13 +0000</lastBuildDate>
    <ttl>60</ttl>
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    <item>
      <title>layerstate-export（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7826</link>
      <description><![CDATA[将图层状态导出到指定文件]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 12:02:19 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-getlastrestore（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7827</link>
      <description><![CDATA[返回当前图形中上次恢复的图层状态的名称]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 12:00:39 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-getlayers（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7828</link>
      <description><![CDATA[返回以图层状态保存的图层]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:58:59 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-getnames（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7829</link>
      <description><![CDATA[返回图层状态名称的列表]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:57:19 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-has（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7830</link>
      <description><![CDATA[检查图层状态是否存在]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:55:39 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-import（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7831</link>
      <description><![CDATA[从指定文件导入图层状态]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:53:59 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-importfromdb（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7832</link>
      <description><![CDATA[从指定的图形文件输入图层状态]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:52:19 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-removelayers（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7833</link>
      <description><![CDATA[从图层状态中删除图层列表]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:50:39 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-rename（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7834</link>
      <description><![CDATA[重命名图层状态]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:48:59 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-restore（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7835</link>
      <description><![CDATA[将图层状态恢复到当前图形中]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:47:19 +0000</pubDate>
    </item>
    <item>
      <title>layerstate-save（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7836</link>
      <description><![CDATA[在当前图形中保存图层状态]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:45:39 +0000</pubDate>
    </item>
    <item>
      <title>布局列表（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7837</link>
      <description><![CDATA[返回当前图形中所有图纸空间布局的列表]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:43:59 +0000</pubDate>
    </item>
    <item>
      <title>长度（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7838</link>
      <description><![CDATA[返回一个整数，指示列表中的元素数]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:42:19 +0000</pubDate>
    </item>
    <item>
      <title>list（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7839</link>
      <description><![CDATA[接受任意数量的表达式并将它们组合到一个列表中]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:40:39 +0000</pubDate>
    </item>
    <item>
      <title>listp（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7840</link>
      <description><![CDATA[验证项目是否为列表]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:38:59 +0000</pubDate>
    </item>
    <item>
      <title>load（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7841</link>
      <description><![CDATA[计算文件中的 AutoLISP 表达式]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:37:19 +0000</pubDate>
    </item>
    <item>
      <title>log（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7842</link>
      <description><![CDATA[将数字的自然对数作为实数返回]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:35:39 +0000</pubDate>
    </item>
    <item>
      <title>logand（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7843</link>
      <description><![CDATA[返回整数列表的逻辑按位 AND 的结果]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:33:59 +0000</pubDate>
    </item>
    <item>
      <title>logior（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7844</link>
      <description><![CDATA[返回整数列表的逻辑按位包含 OR 的结果]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:32:19 +0000</pubDate>
    </item>
    <item>
      <title>lsh（AutoLISP）</title>
      <link>https://www.cadn.net.cn/portal.php?mod=view&amp;aid=7845</link>
      <description><![CDATA[返回整数按指定位数的逻辑按位移]]></description>
      <category>L 函数</category>
      <author>admin</author>
      <pubDate>Thu, 05 Jan 2023 11:30:39 +0000</pubDate>
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