封閉體係,不是孤立體係,質量和能量是同一個事物的兩個方麵

來源: cys254 於 2010-05-12 09:33:27 [舊帖] [給我悄悄話] 本文已被閱讀：次

質量溜走和能量一樣,通過碰撞和輻射.

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