efficiency
efficiency 英 [ɪˈfɪʃnsi] 美 [ɪˈfɪʃənsi]
n. 效率；效能；功效
名词复数:efficiencies
- Efficiency is avoiding a waste of time, effort, or resources. Many people have begun to use compact fluorescent light bulbs because of their greater energy efficiency.
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- n. 效率；效能；功效
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1. improvements in efficiency at the factory
工厂效率的提高
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2. I was impressed by the efficiency with which she handled the crisis.
她应变效率之高给我留下了深刻的印象。
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3. We are looking at our business to see where savings and efficiencies can be made.
我们正在研究我们的经营情况，看是否有可以节约和提高功效的地方。
- efficiency (n.) 1590s, "power to accomplish something," from Latin efficientia "efficient power; efficiency; influence" (from efficientem; see efficient) + -cy. In mechanics, "ratio of useful work done to energy expended," from 1858. Attested from 1952 as short for efficiency apartment (itself from 1920).
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