<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[关于变量问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-75800.html]]></link>
 <description><![CDATA[Latest 50 replies of 关于变量问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Wed, 15 Apr 2026 06:17:06 +0000]]></lastBuildDate>
  <image>
 <url><![CDATA[images/rss.gif]]></url>
 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[临时变量仅在每次调用FB或FC块时起作用，必须“先赋值，后使用”，静态变量可保持]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-75800#922619.html]]></link>
 <author><![CDATA[lxd19821127]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 06 Dec 2010 08:51:25 +0000]]></pubdate>
</item>
</channel></rss>