達たつ率りつ

noun, used as a suffix

coefficient; rate

Noun suffix used in technical or statistical contexts to form terms like 達成率 (achievement rate) or 到達率 (reach rate). Not used as a standalone noun.

• このプロジェクトの達たつ率りつは80%です。

  This project's rate is 80%.

• 広こう告こくの到とう達たつ率りつを測そく定ていする。

  Measure the reach rate of the advertisement.