热机效率 ( efficiency of heat engine )： A1B膨胀：设做功 A
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efficiency of heat engine cycle 热机循环效率
efficiency of the heat engine 热机效率
efficiency of reversible heat engine 可逆热机效率
efficiency of atmospheric heat engine 大气热机效率
·2,447,543篇论文数据，部分数据来源于NoteExpress
In most kinds of engine and electronics, heat is an enemy, robbing them of efficiency.
BBC: For economic inspiration, look to space
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