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 <title><![CDATA[请大神帮解答下这个过程控制示意图中的符 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502.html]]></link>
 <description><![CDATA[Latest 50 replies of 请大神帮解答下这个过程控制示意图中的符 ..]]></description>
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 <description><![CDATA[可能是设定与反馈叠加]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1443486.html]]></link>
 <author><![CDATA[zhb88888]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 May 2013 03:47:22 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[高等数学，微积分还是求和，不懂]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1443479.html]]></link>
 <author><![CDATA[602424236]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 May 2013 03:43:10 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1442377.html]]></link>
 <author><![CDATA[wang91569]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 May 2013 12:49:33 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[真心不懂]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1441956.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 May 2013 11:54:56 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[求和的意思]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1441948.html]]></link>
 <author><![CDATA[clxsmart]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 May 2013 11:31:07 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[数学里是代数和的意思，这里是不是目标与反馈求和？我猜的，参考吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1441914.html]]></link>
 <author><![CDATA[longfei869]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 May 2013 09:21:36 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[估计是累积结果]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1441913.html]]></link>
 <author><![CDATA[rockyhuo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 May 2013 09:16:50 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[真心看不懂啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1441891.html]]></link>
 <author><![CDATA[15005444007]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 May 2013 08:08:28 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[自己顶一下，求大神帮忙啊。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1427502#1441867.html]]></link>
 <author><![CDATA[wang91569]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 May 2013 06:49:32 +0000]]></pubdate>
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