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

來源: 人類拯救計劃 於 2010-06-14 18:05:40 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (56 bytes)

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

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