| 单词 | efficiency |
| 释义 | efficiency[i'fiʃənsi]n. 效率, 效能, 功效【医】 效率, 效力【经】 效率, 效能 efficiency ef.fi.cien.cy AHD: [¹-f¹sh“…n-s¶] D.J. [!6f!.*nsi8]K.K. [!6f!.*nsi]n.（名词） 【复数】 ef.fi.cien.cies 缩写 eff.1. The quality or property of being efficient.效能：有功效的特征或性质2. The degree to which this quality is exercised:功效：这种特征所能达到的程度：The program was implemented with great efficiency and speed.项目以极大的效率和速度被实施3. The ratio of the effective or useful output to the total input in any system.效率：在某一系统中有效的或有用的产出与总投入的比率4. The ratio of the energy delivered by a machine to the energy supplied for its operation.功率：机器做一定功所发出的能量与其总能量的比5. An efficiency apartment.公寓小套间 |
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