单词 | efficiency |
释义 | efficiencynoun ef·fi·cien·cy i-ˈfi-shən-sē plural efficiencies 1 : the quality or degree of being efficient 2 a : efficient operation b(1) : effective operation as measured by a comparison of production with cost (as in energy, time, and money) (2) : the ratio of the useful energy delivered by a dynamic system to the energy supplied to it 3 : efficiency apartment efficiency nounas in efficacy the power to produce a desired result the proven efficiency of meditation in reducing stress within the company's workforce Synonyms & Similar Words Relevance
Antonyms & Near Antonyms
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