The temperature change to some extent has little effect on energy transfer efficiency.
一定范围内的温度改变对能量转换效率的影响不大。
The light energy transfer efficiency can be calculated by a method named as effective numerical aperture.
提出有效数值孔径法计算光波能量传输效率。
The characteristics of the electrode process and its effects on energy transfer efficiency and the heat sources of PEMFC were studied.
研究了PEMFC的电极过程特性以及对电池能量转化效率和热源的影响。
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