• 基础释义
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  • 柯林斯词典释义

efficiencies

相关单词 inefficiencies
例句
柯林斯高阶英汉双解学习词典释义
  • N-UNCOUNT
    效率;效能;功效
    Efficiency is the quality of being able to do a task successfully, without wasting time or energy.
    例句
    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。 ...energy efficiency. 能效
  • N-UNCOUNT
    (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.