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 <title><![CDATA[HMI 编程软件中宏指令什么意思有什么作用/]]></title>
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 <description><![CDATA[Latest 50 replies of HMI 编程软件中宏指令什么意思有什么作用/]]></description>
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 <description><![CDATA[也可以这样理解，具有2次开发的功能]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130453#1178891.html]]></link>
 <author><![CDATA[longkeming]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Dec 2011 01:40:32 +0000]]></pubdate>
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 <description><![CDATA[学学，用用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130453#1178890.html]]></link>
 <author><![CDATA[techo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Dec 2011 01:34:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[路过学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130453#1178873.html]]></link>
 <author><![CDATA[ghooy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 Dec 2011 01:17:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130453#1178738.html]]></link>
 <author><![CDATA[tty]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 07 Dec 2011 13:38:16 +0000]]></pubdate>
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 <description><![CDATA[宏指令就是“脚本”了。举例来说嘛，PLC编程语言常用是梯形图，而HMI使用的是C语言，也就是宏指令，编程的语言跟PLC不同而尔。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130453#1178691.html]]></link>
 <author><![CDATA[liu1980]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 07 Dec 2011 12:49:20 +0000]]></pubdate>
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