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[问题求助] 同轴电缆绝缘介电常数如何得到
P:2009-11-20 16:05:21
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<DIV class=xxxxAd><IFRAME id=google_ads_frame3 style="LEFT: 0px; POSITION: absolute; TOP: 0px" name=google_ads_frame marginWidth=0 marginHeight=0 src="http://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-5245470700607411&output=html&h=200&slotname=8810507802&w=200&lmt=1258704247&flash=10.0.32.18&url=http%3A%2F%2Fwww.dxdlw.com%2FShowPost.asp%3FThreadID%3D59174&dt=1258704247532&prev_slotnames=9908240416%2C3492416009&correlator=1258704247392&frm=0&ga_vid=44094699.1258704247&ga_sid=1258704247&ga_hid=1651892118&ga_fc=0&u_tz=480&u_his=0&u_java=1&u_h=768&u_w=1024&u_ah=738&u_aw=1024&u_cd=32&u_nplug=0&u_nmime=0&biw=1004&bih=491&ref=http%3A%2F%2Fwww.dxdlw.com%2FShowForum.asp%3FPageIndex%3D5%26ForumID%3D46&fu=0&ifi=3&dtd=16&xpc=psvHB0Maei&p=http%3A//www.dxdlw.com" frameBorder=0 width=200 scrolling=no height=200 allowTransparency></IFRAME></DIV>通过测试水电容可以知道其发泡度,然后再反推得到其介电常数。
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