efficiency

英 [ɪˈfɪʃnsi]

美 [ɪˈfɪʃnsi]

n.  效率; 效能; 功效; 提高功效的方法; 功率

复数：efficiencies　

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Collins.2 / BNC.2306 / COCA.3047

牛津词典

noun

• 效率；效能；功效
  the quality of doing sth well with no waste of time or money
  1. improvements in efficiency at the factory
     工厂效率的提高
  2. I was impressed by the efficiency with which she handled the crisis.
     她应对危机效率之高给我留下了深刻的印象。
• 提高功效的方法
  ways of wasting less time and money or of saving time or money
  1. 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。
• 效率；功率
  the relationship between the amount of energy that goes into a machine or an engine, and the amount that it produces
• 效率；功率
  the relationship between the amount of energy that goes into a machine or an engine, and the amount that it produces

柯林斯词典

• N-UNCOUNT 效率;效能;功效
  Efficiencyis the quality of being able to do a task successfully, without wasting time or energy.
  1. 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。
  2. ...energy efficiency.
     能效
• （物理学、工程学中的）效率，功率
  In physics and engineering,efficiencyis the ratio between the amount of energy a machine needs to make it work, and the amount it produces.

英英释义

noun

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

双语例句

• When Johnson talks about cuts, he uses words like 'target price' and 'efficiency payments'.
  约翰逊谈起降价时，会使用“目标价位”和“效率支付”之类的字眼。
• Defrost the fridge regularly so that it works at maximum efficiency.
  定期给冰箱除霜，以便它能发挥其最高效率。
• Automation of build and test execution improves performance and efficiency.
  构建和测试执行自动化可改善性能和效率。
• Friction lowers the efficiency of a machine.
  摩擦减低机器的效率。
• Revenues from 'green taxes' could then be channelled back into energy efficiency.
  从“绿色税收”得来的收入便可回过头来用于提高能效。
• Administrative staff may be deskilled through increased automation and efficiency.
  随着自动化程度和效率的不断提高，对管理人员的技能要求可能会大大降低。
• This version improves efficiency and productivity through a significantly improved user experience and with additional personalization capabilities.
  该版本通过显著改进的用户体验和附加的个性化功能提高了效益和工作效率。
• It was achieved with minimum fuss and maximum efficiency.
  事情事半功倍地完成了。
• Efficiency is life.
  效率就是生命。
• It doesn't take much to improve the energy efficiency of your home.
  改善家庭能耗并非难事。