一定范围内的温度改变对能量转换效率的影响不大。
The temperature change to some extent has little effect on energy transfer efficiency.
由于能量转换效率低，另一部分能量以热量形式损失掉。
Another portion is lost as heat because of inefficiencies in energy transfer.
由于能量转换效率低，另一部分能量以热量形式损失掉。
Another portion is lost as heat because of inefficiencies in energy transfer.
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