発はっ生せい頻ひん度ど

noun

frequency of occurrence; incidence rate

Technical and formal term used in statistics, epidemiology, engineering, and similar fields to describe how often an event or phenomenon occurs.

• この地ち域いきでは地じ震しんの発はっ生せい頻ひん度どが高たかい。

  The frequency of earthquake occurrence is high in this region.

• 発はっ生せい頻ひん度どをグラフにまとめた。

  We compiled the incidence rates into a graph.