单词：efficiencies
音标：[iˈfiʃənsiz] ；
n. 效率, 效能( efficiency的复数形式 )
n. the ratio of the output to the input of any system
n. skillfulness in avoiding wasted time and effort
n. skillfulness in avoiding wasted time and effort
efficiency的用法和样例：
例句
用作名词(n.)
- We must improve our efficiency as soon as possible.我们必须尽快地提高工作效率。
- Their labor efficiency is very high.他们的工作效率很高。
- The two companies consolidated for greater efficiency.这两家公司已合并以提高效率。
- This jet has a very high propulsive efficiency.该喷气机的喷射功率非常大。
- Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.于是多种不同功率放大器的线性化技术被采用来改善无线发射机的线性度及效率。
常见句型
用作名词(n.)
- Friction lowers the efficiency of a machine.摩擦减低机器的效率。
词汇搭配
用作名词 (n.)
动词+～- achieve efficiency取得功效
- add efficiency增加功效
- promote efficiency促进效率
- raise efficiency提高效率
- fighting efficiency战斗力
- high efficiency高效率
- technical efficiency技术效能
- at efficiency以…的效率
- in efficiency在效率上
- work with great efficiency工作效率很高
经典引文
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
【近义词】
- competence能力
- efficacy功效
- effectiveness有效性
- productivity生产率
- proficiency熟练
- facility设备
- technique技术
- ability能力
- understanding理解
【反义词】
- inefficiency无效率
单词：efficiencies 相关文章
We caught up with Sarah Palin at her home on the western end of Wasilla, the two-storey home she and her husband built five years ago. Its ringed by evergreens and saw-toothed mountain peaks, and even as a parking spot for their seaplane outback. I
发表于:2018-12-11 / 阅读(93) / 评论(0)
访谈录2008
访谈录2008