発はっ生せい頻ひん度どMeaningsNoun1. frequency of occurrenceKanji used発let out生life頻repeatedly度degreesComposed of発はっ生せいoccurrence; incidence; outbreak; birth (e.g. of civilization); generation (of power, heat, etc.); production; ontogeny; development; growth; breedingNoun頻ひん度どfrequency (of occurrence)Noun