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 <title><![CDATA[555计算题急急急]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424.html]]></link>
 <description><![CDATA[Latest 50 replies of 555计算题急急急]]></description>
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 <description><![CDATA[看不懂了&nbsp;&nbsp;小学没毕业]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639776.html]]></link>
 <author><![CDATA[liyong_1930]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Jan 2015 11:30:56 +0000]]></pubdate>
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 <description><![CDATA[F与T的关系应该是倒数关系，如楼上说的，知道了F,就等于知道了T，T=1/F=公式，代进去算呗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639722.html]]></link>
 <author><![CDATA[jesselai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Jan 2015 08:51:44 +0000]]></pubdate>
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 <description><![CDATA[F=1/T&nbsp;&nbsp;频率与周期是导数，自己算算吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639592.html]]></link>
 <author><![CDATA[小小蜗牛]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Jan 2015 02:14:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[R1=T/0.7C－2R2]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639582.html]]></link>
 <author><![CDATA[gzproe]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Jan 2015 01:44:48 +0000]]></pubdate>
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 <description><![CDATA[这个都不会算玩那么高深的电子做啥？这个方程初中都会做吧。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639571.html]]></link>
 <author><![CDATA[电工小安子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Jan 2015 01:20:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:32]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639226.html]]></link>
 <author><![CDATA[小徒弟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 19 Jan 2015 00:19:14 +0000]]></pubdate>
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 <description><![CDATA[[s:17]&nbsp;&nbsp;[s:17]&nbsp;&nbsp;[s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639088.html]]></link>
 <author><![CDATA[小徒弟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 18 Jan 2015 08:13:34 +0000]]></pubdate>
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 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
R1=(0.7C/T)-2R2???]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639087.html]]></link>
 <author><![CDATA[小徒弟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 18 Jan 2015 08:13:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[C=0.7F(R1+2R2)/1??????]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639085.html]]></link>
 <author><![CDATA[小徒弟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 18 Jan 2015 08:10:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:18]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639083.html]]></link>
 <author><![CDATA[小徒弟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 18 Jan 2015 07:59:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[小弟数学不行，哪位师傅会？着急]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477424#1639081.html]]></link>
 <author><![CDATA[小徒弟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 18 Jan 2015 07:51:19 +0000]]></pubdate>
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