efficiency是什么意思

efficiency

英[ɪˈfɪʃnsi] 美[ɪˈfɪʃnsi]

同义词

柯林斯高阶英汉双解学习词典释义

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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.

英英词典释义

Noun
1. the ratio of the output to the input of any system
2. skillfulness in avoiding wasted time and effort;
"she did the work with great efficiency"

行业词典

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