効こう率りつ性せい

noun

efficiency

Refers to the quality or degree of being efficient, often used in formal or technical contexts. Compare with 効率, which is more common and can be used as a standalone noun or in compounds.

See also: 効率

• このシステムの効こう率りつ性せいを評ひょう価かする必ひつ要ようがある。

  We need to evaluate the efficiency of this system.

• 効こう率りつ性せいの向こう上じょうが求もとめられている。

  Improvement in efficiency is required.