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单词 coefficient of performance
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原声例句
Crash Course Physics 速成课物理

The more heat the fridge removes for a given amount of work, the higher the coefficient of performance.

冰箱带走的热量越多 执行特定工作时,性能因素越高。

Crash Course Physics 速成课物理

And of course, a real-life refrigerator can't have a higher coefficient of performance than an ideal refrigerator.

当然,没有真正的冰箱可以拥有 比理想冰箱更高的性能系数。

Crash Course Physics 速成课物理

So, for an ideal fridge, the coefficient of performance would be equal to: the lower operating temperature, divided by the higher operating temperature minus the lower operating temperature.

因此,对于理想的冰箱,性能因素为: 最低工作温度。

Crash Course 综合篇

And there’s a similar concept for refrigerators: the coefficient of performance, or COP, which is equal to the amount of heat removed from the lower-temperature zone divided by work.

冰箱也有类似的概念:性能系数, 或 COP, 它等于从低温区带走的热量除以做功。

Crash Course 综合篇

And of course, a real-life refrigerator can’t have a higher coefficient of performance than an ideal refrigerator. Now, it may not be surprising that steam engines and refrigerators are total opposites.

当然,现实生活中的冰箱不可能具有比理想冰箱更高的性能系数。现在,蒸汽机和冰箱完全相反可能并不奇怪。

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