efficiency

noun

UK/ɪˈfɪʃ.ᵊn.si/
US/ɪˈfɪʃ.ᵊn.si/

Definitions of efficiency noun

  1. B2Uncountable(不可数名词)

    the ability to perform well in an organized manner, without wasting time or energy

    效率;效能

    • She completes her tasks with both speed and high efficiency.

      她以速度和高效完成她的任务。

    • This company is known for its operational efficiency.

      这家公司以其运营效率而闻名。

    • Efficiency is critical when it comes to time management.

      在时间管理方面,效率至关重要。

  2. Uncountable(不可数名词)physics(物理)specialized(专业)

    the ratio between the energy input to a machine or process and the useful work output it produces.

    效率

    • The efficiency of energy conversion during combustion is quite low.

      燃烧过程中的能量转换效率相当低。

    • Improving the engine's efficiency is the goal of the engineers.

      提高引擎的效率是工程师的目标。

    • The solar panel has an efficiency of up to 20%.

      这块太阳能板的效率最高可达20%。