Who is this hbchendl?



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送交者: jiangzhaiwai 于 2005-8-29, 17:41:15:

Why does this guy get to keep on putting trash on 新到? Does this guy have no shame? While he was busy looking up formulae in his textbook, did he not check that 电磁辐射 refers to the farfield? Does he know how to calculate the wavelength of 50Hz EM wave?




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