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1. Oxford Dictionary

   efficiency

   • IPA[ɪˈfɪʃnsi]

   英式

   • n.
     the state or quality of being efficient；an action designed to achieve efficiency

   • noun: efficiency, plural noun: efficiencies

2. • 釋義

   n.

   名詞

   • 1. the state or quality of being efficient greater energy efficiency 同義詞 organization, order, orderliness, planning, regulation, ... 更多logicality, coherence, productivity, effectiveness, cost-effectiveness, competence, capability, ability, proficiency, adeptness, deftness, expertise, professionalism, skilfulness, skill, effectiveness, productivity, organization反義詞 inefficiency, incompetence
   • ▪ an action designed to achieve efficiency the reforms will lead to efficiencies and savings
   • ▪ the ratio of the useful work performed by a machine or in a process to the total energy expended or heat taken in the boiler has an efficiency of 45 per cent