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 <title><![CDATA[请教高手--三菱PLC 线速度写法]]></title>
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 <description><![CDATA[Latest 50 replies of 请教高手--三菱PLC 线速度写法]]></description>
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 <description><![CDATA[[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#224484.html]]></link>
 <author><![CDATA[yeyhx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 May 2008 10:45:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[什么叫线速度啊 [s:18]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#224481.html]]></link>
 <author><![CDATA[王睿]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 May 2008 10:40:20 +0000]]></pubdate>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#224426.html]]></link>
 <author><![CDATA[ldj9936]]></author>
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 <pubdate><![CDATA[Thu, 15 May 2008 08:24:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[咩叫线速度??? [s:56]&nbsp; [s:18]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#224379.html]]></link>
 <author><![CDATA[pei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 May 2008 06:52:42 +0000]]></pubdate>
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 <description><![CDATA[[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#220012.html]]></link>
 <author><![CDATA[yanglingson]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 08 May 2008 02:48:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[注意公式：线速度只与角速度和半径有关！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#205768.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Apr 2008 11:56:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[encoder－－编码器
用100ppr和200ppr答案会一样吗?]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#205737.html]]></link>
 <author><![CDATA[甲虫]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Apr 2008 11:08:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[1.encoder－－编码器；
2.直径与圆周知道其一个参数就好了。两个都给出，反而不知道以哪个为标准？因为按照这个比值跟圆周率相差甚远；
3.既然都知道角速度了，那么根据V＝wR，线速度等于角速度乘轨道半径，线速度不就算出来了？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#204813.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 12 Apr 2008 18:13:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[麻烦高手&nbsp; 谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-12124#204091.html]]></link>
 <author><![CDATA[甲虫]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 11 Apr 2008 12:38:55 +0000]]></pubdate>
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