Incidence
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[编辑] 解释
[编辑] GRE 红宝书
- n. 事情发生;发生率
- ［英］ 事情发生;发生率, 影响范围 ( extent to which sth happens or has an effect)
- ［记］ in ( 进入) +cid ( 落下) +ence -> 掉进来的事 -> 事情发生
[编辑] Webster Collegiate
noun
- Date: 1626
- 1.
- a. angle of incidence
- b. the arrival of something (as a projectile or a ray of light) at a surface
- 2.
- a. an act or the fact or manner of falling upon or affecting ; occurrence
- b. rate of occurrence or influence <a high incidence of crime>
