愛因斯坦好像認為光速是絕對的，時空及其他任何事物都是相對的。

來源: niersi 於 2011-09-29 00:18:14 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.