efficiency

名词 n.
中文释义

英文释义

名词 n.
  1. The extent to which a resource is used for the intended purpose. countable,uncountable
    — In a letter DeJoy sent to Congress on Thursday, he said DOGE teams will “assist us in identifying and achieving further efficiencies,” saying the Elon Musk-led agency will focus on improving the management of USPS retirement assets and the Workers’ Compensation Program, as well as addressing the agency’s legislative mandates and regulatory requirements.
  2. The extent to which a resource is used for the intended purpose.; The ratio of useful work to energy expended. Often given the symbol η. countable,uncountable
    — The efficiency of this loudspeaker is 40%.
  3. The extent to which a resource is used for the intended purpose.; The extent to which time is well used for the intended task. countable,uncountable
    — The efficiency of the planning department is deplorable.
  4. The quality of producing an effect or effects. countable,dated,uncountable
    — The manner of this divine efficiency being far above us.
  5. A one-room apartment. US,countable,uncountable
    — I have an efficiency available June through July.

词形变化

efficiencies plural

词汇关系

下位词
algorithmic efficiency allocative efficiency business efficiency dynamic efficiency electrical efficiency energy efficiency fuel efficiency Kaldor-Hicks efficiency material efficiency Pareto efficiency productive efficiency quantum efficiency static efficiency tax efficiency thermal efficiency
衍生词
coefficiency cost efficiency ecoefficiency efficiency engineer efficiency ratio equiefficiency high-efficiency low-efficiency nonefficiency photoefficiency superefficiency
相关词
effect effective effectiveness effectivity effector effectual effectuate efficacious efficacity efficacy efficient efficiently

词源

From Latin efficientia, equivalent to efficient + -cy.
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