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

• Introduction of electronic point-of-sale systems is improving efficiency.
  引进销售点电子系统提高了效率。
• Increase efficiency and shorten the time limit for the project.
  提高效率，缩短工期。
• Efficiency is life.
  效率就是生命。
• 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。
• 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。
• Compression of XML data and indexes, which improves storage efficiency and runtime performance for certain workloads.
  XML数据和索引的压缩，这会改进某些工作负载的存储效率和运行时性能。
• It was achieved with minimum fuss and maximum efficiency.
  事情事半功倍地完成了。
• Fourth, enhance exchanges of experience in improving energy efficiency and environment protection.
  第四，加强在节能、环保等方面的经验交流。
• The institutions have realised they need to change their culture to improve efficiency and service.
  这些机构已经意识到需要改变他们的内部文化以提高效率、改进服务。
• Increases data and content connectivity and interoperability with greater cost efficiency.
  使用更大的成本效益来提高数据和内容连接性和互用性。