efficiency基本解释
n.效率；功率
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名词复数: efficiencies
noun
1. skillfulness in avoiding wasted time and effort
e.g. she did the work with great efficiency
2. the ratio of the output to the input of any system
1. 效率;效能;功效
Efficiency is the quality of being able to do a task successfully, without wasting time or energy.
e.g. 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。
e.g. ...energy efficiency.
能效
2. （物理学、工程学中的）效率，功率
In physics and engineering, efficiency is the ratio between the amount of energy a machine needs to make it work, and the amount it produces.
1. 有效性：不强制使用l 功能性(functionality)l 可靠性(reliability)l 可用性(usability)l 有效性(efficiency)l 可维护性(maintainability)l 轻便性(portability)黑盒测试主要是根据程序的有关功能规格说明和覆盖准则来设计测试用例,
2. efficiency
2. 效能：Cerosys 的运行模式 零缺陷运行系统的过程模式 Cerosys 是文化-效能-关系的运行系统的缩写,简称为零缺陷运行系统.其中,CER 分 别是指文化(Culture) ,效能(Efficiency)和关系(Relation) .文化包括企业战略目标 和文化的范围;
The penalty annexed to any law is an instance, not of its efficiency, but..of its failure.
出自：R. WhatelyHe conducted his course at the University with an efficiency which shone beside the amateurish efforts of his colleagues.
出自：F. Tuohy
