http://en.wikipedia.org/wiki/Relativistic_Doppler_effect

来源: 人类拯救计划 于 2010-06-14 18:05:40 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (56 bytes)

http://en.wikipedia.org/wiki/Relativistic_Doppler_effect

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