In that case, he implied a 100% energy conversion rate.
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送交者: Hoffman 于 2007-11-13, 16:00:14:
回答: 钱学森在《知识就是力量》发表的《农业中的力学问题》有更详细的计算 由 方舟子 于 2007-11-13, 13:52:21:
It seemed that he even didnt know the 2nd Law of Thermodynamics.
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