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首頁英語詞典incidenceincidence英英釋意

incidence

英 ['?ns?d(?)ns] 美['?ns?d?ns]
  • n. 發生率;影響;[光] 入射;影響范圍

英英釋意


1. the relative frequency of occurrence of something
2. the striking of a light beam on a surface;
"he measured the angle of incidence of the reflected light"