check01 economist01 bdi 卢麒元 www.caogen.com/blog/Infor_detail.asp
回答: 如果外电场场强为0,无感应电荷;若外电场场强不为0,感应电荷的场强一定不为0(大小与外电场场强相等,方向相反)。因为导体内自由电
由 marketreflections
于 2011-12-15 17:12:18
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• bear01 Morgan Stanley's Adam Parker Inflection Point Investing L -marketreflections- ♂ (2668 bytes) () 12/16/2011 postreply 17:21:02