| 单词 | incidence |
| 释义 | in·ci·denceAW BrE /ˈɪnsɪdəns/ NAmE /ˈɪnsɪdəns/ noun [C , usually sing. ]~of sth (formal ) the extent to which sth happens or has an effect 发生范围；影响程度；发生率◆ an area with a high incidence of crime 犯罪率高的地区[U ](physics物理) the way in which light meets a surface 入射（角）◆ the angle of incidence 入射角 |
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