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 <title><![CDATA[反射，对射，漫射型]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788.html]]></link>
 <description><![CDATA[Latest 50 replies of 反射，对射，漫射型]]></description>
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 <description><![CDATA[[s:50]&nbsp;&nbsp;[s:50]&nbsp;&nbsp;[s:50]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1202925.html]]></link>
 <author><![CDATA[sport1988]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Feb 2012 02:36:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[选用对射型的比较好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1202921.html]]></link>
 <author><![CDATA[琴岛工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Feb 2012 02:32:12 +0000]]></pubdate>
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 <description><![CDATA[检测的快慢主要取决于厂家设计的时候的处理，因为光传播的速度，光传播时间可以忽略不计。反射是物体经过光电开关和反光板中间时挡住光的时候，对射是一个接受一个发送，也是挡光，漫反射是物体反射的光。各有各的用途和优缺点。漫反射检测范围大，对射检测点集中性好……]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1202889.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Feb 2012 01:20:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[对射性的相对反映快点。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1202886.html]]></link>
 <author><![CDATA[天狼]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Feb 2012 01:19:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[选用对射型的比较好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1202794.html]]></link>
 <author><![CDATA[thompson]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Feb 2012 12:23:37 +0000]]></pubdate>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1202793.html]]></link>
 <author><![CDATA[thompson]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Feb 2012 12:22:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[选用对射型的比较好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1201403.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Jan 2012 10:21:07 +0000]]></pubdate>
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 <description><![CDATA[这种情况当然是选用对射型的比较好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1201378.html]]></link>
 <author><![CDATA[dl2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Jan 2012 06:22:50 +0000]]></pubdate>
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 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21] 顶顶！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-135788#1201336.html]]></link>
 <author><![CDATA[阿拉电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Jan 2012 04:23:38 +0000]]></pubdate>
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