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 <title><![CDATA[请问各位大虾，PLC的问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112024.html]]></link>
 <description><![CDATA[Latest 50 replies of 请问各位大虾，PLC的问题]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢各位指教]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112024#1081017.html]]></link>
 <author><![CDATA[xxj040202]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Jun 2011 11:06:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112024#1080044.html]]></link>
 <author><![CDATA[gk2011]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Jun 2011 02:56:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[2楼说得好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112024#1079612.html]]></link>
 <author><![CDATA[xlqlh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 26 Jun 2011 12:01:51 +0000]]></pubdate>
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 <description><![CDATA[BIN是二进制，BCD是早期发明的，十进制，超过9999就溢出了
HEX是十六进制，浮点数是用科学计数法存储的数据，计算更精确。


个人意见]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112024#1079481.html]]></link>
 <author><![CDATA[jx_einstein]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 26 Jun 2011 08:28:59 +0000]]></pubdate>
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 <description><![CDATA[就是用于运算的十进制，二进制，十六进制，主要用与通信的格雷码，以及小数啊。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112024#1079476.html]]></link>
 <author><![CDATA[linf林峰]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 26 Jun 2011 08:20:41 +0000]]></pubdate>
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