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 <title><![CDATA[问一个问题？？？？？？？]]></title>
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 <description><![CDATA[Latest 50 replies of 问一个问题？？？？？？？]]></description>
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 <description><![CDATA[这个问题,呵呵. [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-87471#910806.html]]></link>
 <author><![CDATA[winpe]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 23 Nov 2010 02:01:00 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我一直以为1秒的呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-87471#910351.html]]></link>
 <author><![CDATA[二球一哥]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Nov 2010 12:02:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[占空比！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-87471#910259.html]]></link>
 <author><![CDATA[hzhcdy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Nov 2010 11:10:00 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-87471#910205.html]]></link>
 <author><![CDATA[刘洋88]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Nov 2010 10:26:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[噢原来是这样谢谢了
 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-87471#910113.html]]></link>
 <author><![CDATA[三菱重工]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Nov 2010 08:52:32 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[m8013提供的时钟脉冲在1秒钟的周期时间内off/0.5秒，on/0.5秒。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-87471#909612.html]]></link>
 <author><![CDATA[yuming1231]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 21 Nov 2010 14:06:12 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[0.5S ON&nbsp;&nbsp;0.5S OFF
0.5S ON&nbsp;&nbsp;0.5S OFF
0.5S ON&nbsp;&nbsp;0.5S OFF
0.5S ON&nbsp;&nbsp;0.5S OFF....................................]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-87471#909587.html]]></link>
 <author><![CDATA[360820]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 21 Nov 2010 13:43:53 +0000]]></pubdate>
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