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 <title><![CDATA[怎么计算步进得脉冲频率]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134113.html]]></link>
 <description><![CDATA[Latest 50 replies of 怎么计算步进得脉冲频率]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134113#1191060.html]]></link>
 <author><![CDATA[sport1988]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Dec 2011 07:32:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[2楼回答得很经典。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134113#1191053.html]]></link>
 <author><![CDATA[子丑寅卯9]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Dec 2011 07:26:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[噢，谢谢2楼，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134113#1190874.html]]></link>
 <author><![CDATA[爱家爱china]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Dec 2011 02:09:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[假若你900转/分,900/60=15转/秒
1.8度半步8细分,200*8=1600脉冲/转
马达频率:1600*15=24K脉冲/秒]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134113#1190838.html]]></link>
 <author><![CDATA[zzj111000]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Dec 2011 01:15:13 +0000]]></pubdate>
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