| 释义 |
in·ci·dence AHD[ĭnʹsĭ-dəns] D.J.[ˈɪnsɪdəns]K.K.[ˈɪnsɪdəns]n.（名词）- The act or an instance of happening; occurrence:发生，出现：发生的行为或事件；出现：did not expect criticism and was surprised by its incidence.受到未预料的批评而感到吃惊
- Extent or frequency of occurrence:发生频率：出现的范围、程度或频率：a high incidence of malaria in the tropics.热带地区疟疾的高发率
- Physics 【物理学】
- The arrival of radiation or a projectile at a surface.入射：辐射或投影到某一表面
- Angle of incidence.入射角
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