efficiency中文什么意思

• n.
  1.功效。
  2.效率；效能；实力，能力。
  3.【物理学】性能。

• combined efficiency; overall efficiency:    总效率
• gross efficiency; overall efficiency:    总效率
• a arent efficiency:    表观效率

例句与用法

1. Her utmost efficiency is but teaching .
   她的最高效能在于教育人。
2. He was typing with speed and efficiency .
   他在飞快地打字，工作效率很高。
3. This medicine will have immediate efficiency .
   这药能立即奏效。
4. A multistage operation improves the thermal efficiency .
   多层操作可以提高热效率。
5. They could move up to a new level of efficiency .
   它们可以提高效率到一个新的水平。

英文释义

名词

1. skillfulness in avoiding wasted time and effort; "she did the work with great efficiency"
2. the ratio of the output to the input of any system

百科释义

Efficiency in general describes the extent to which time, effort or cost is well used for the intended task or purpose. It is often used with the specific purpose of relaying the capability of a specific application of effort to produce a specific outcome effectively with a minimum amount or quantity of waste, expense, or unnecessary effort.