求翻译：摘要：热机是将热能转换为机械能的机器。本实验借助空气热机验证卡诺定理，讨论热机输出功率随负载及转速的变化关系。针对实验过程中的观察与分析，提出关于提高热机效率的一些设想。是什么意思？

Abstract: The heat is thermal energy converted to mechanical energy of the machine. The experiments with the air heat verify the Carnot theorem, the output power of the heat engine with load and speed variation. Experiments in the process of observation and analysis, put forward ideas on improving t

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Summary: a heat engine is a machine that converts thermal energy to mechanical energy. This experiment with air engine validation Carnot theorem, discuss the change of engine power output with load and speed. For observation and analysis of experiments, some of the ideas put forward on improving the

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