能量守恒是一个原理，无法给出一般的证明。

来源: 于 2010-05-10 16:19:29 [旧帖] [给我悄悄话] 本文已被阅读：次
In the electromagnetic theory, the law of energy conservation is described by Poynting thereom. Can you give me a specific example that violate this law? Thanks.