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incidence

英 ['ɪnsɪd(ə)ns] 美['ɪnsɪdəns]
  • n. 发生率;影响;[光] 入射;影响范围

英英释意


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"
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