送交者: html 于 2005-4-21, 22:19:24:
回答: 永动机是存在的 由 随便 于 2005-4-21, 22:05:29:
perpetual engine fell into two classes:
1. violate first law of thermo2. violate 2nd law of thermo
Yours are normal engines which run on solar energy (ultimate).
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