Incidence
01
发生率, 发生频率
the rate or frequency at which something happens or occurs
例子
Schools in the region reported a lower incidence of bullying after implementing new programs.
该地区的学校在实施新计划后报告称，欺凌事件的发生率较低。
02
入射, 入射角
the act of a light beam hitting or striking a surface
例子
Changing the angle of the light 's incidence can create different shadow effects in photography.
改变光的入射角度可以在摄影中创造不同的阴影效果。
