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单词库 \ 英汉词典 \

efficiencies是什么意思

efficiencies

n. 效率，效能( efficiency的名词复数 )；

相关单词 inefficiencies

柯林斯高阶英汉双解学习词典释义

N-UNCOUNT

效率;效能;功效

Efficiency is the quality of being able to do a task successfully, without wasting time or energy.
例句
There are many ways to increase agricultural efficiency in the poorer areas of the world. 有很多方法能够提高世界贫困地区的农业效率。 ...energy efficiency. 能效
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（物理学、工程学中的）效率，功率

In physics and engineering, efficiency is the ratio between the amount of energy a machine needs to make it work, and the amount it produces.

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