英语词汇efficiency怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

efficiency

ɪfɪʃənsi  ɛˈfɪʃənsi  ɪˈfɪʃənsi 

Word forms: plural efficiencies

1 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. 效率;效能;功效

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

2 N-UNCOUNT （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. （物理学、工程学中的）效率，功率 [technical]

Trends of efficiency

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单词	efficiency
释义	efficiency ɪfɪʃənsi  ɛˈfɪʃənsi  ɪˈfɪʃənsi  Word forms: plural efficiencies 1 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. 效率;效能;功效 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 2 N-UNCOUNT （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. （物理学、工程学中的）效率，功率 [technical] Trends of efficiency View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years
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