efficiency

英 [ɪˈfɪʃnsi]

美 [ɪˈfɪʃnsi]

n.  效率; 效能; 功效; 提高功效的方法; 功率

复数：efficiencies　

CET4CET6考研TOEFLIELTSTEM4TEM8BEC医学

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

• 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。
• We improved the economic structure to raise the quality and efficiency of economic development.
  坚持调整和优化经济结构，着力提高经济发展的质量和效益。
• Spectral luminous efficiency curve for scotopic vision.
  暗视觉的光谱光效曲线。
• 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。
• Houses are graded from nought to ten for energy efficiency
  房屋按照能耗标准划分为0至10级。
• Performance is improved by eliminating the hop between modules, improving efficiency.
  通过消除模块之间的跃点，性能得到了改进，并提高了效率。
• 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。
• 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。
• Introduction of electronic point-of-sale systems is improving efficiency.
  引进销售点电子系统提高了效率。
• He managed the factory with unobtrusive efficiency.
  他经营那家工厂很有效率却不事张扬。