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 <title><![CDATA[S7-200圆弧插补]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422472.html]]></link>
 <description><![CDATA[Latest 50 replies of S7-200圆弧插补]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[y=√[r^2-(x-a)^2]+b（圆的上半部）
y=-√[r^2-(x-a)^2]+b（圆的下半部）]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422472#1422237.html]]></link>
 <author><![CDATA[huyou]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 Mar 2013 09:15:58 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[圆弧插补要自己编：
（x-a)^2+(y-b)^2=a^2]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422472#1422235.html]]></link>
 <author><![CDATA[huyou]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 Mar 2013 09:12:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[S7200EM253没有插补功能吧？也没有见过世面库运用。本体的输出可能做不了。有没有兄弟做过啊？分享下啊？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422472#1422185.html]]></link>
 <author><![CDATA[{笑傲江湖}]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 Mar 2013 07:55:45 +0000]]></pubdate>
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