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

• As a complete method of economic efficiency auditing, it includes the spheres of technology, ideology and working methodology.
  作为完整的经济效益审计方法，应包括技术方法，思想方法和工作方法。
• Spectral luminous efficiency curve for scotopic vision.
  暗视觉的光谱光效曲线。
• Increase efficiency and shorten the time limit for the project.
  提高效率，缩短工期。
• 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。
• 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。
• The company offers a bonus as an incentive to greater speed and efficiency in production.
  公司提供红利，作为提高生产速度和效率的刺激。
• 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 not only brings efficiency with respect to memory utilization but also increases the processing speed.
  这不仅从内存利用率方面提高了效率，而且还提高了处理速度。
• The innovation raised ( or increased) efficiency fivefold.
  这项革新使工作效率提高五倍。
• 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。