the occurrence, rate, or frequency of a disease, crime, or something else undesirable
(疾病、犯罪等的)发生,发生率
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an increased incidence of cancer .癌症增长的发病率。
the way in which the burden of a tax falls upon the population
(民众的)税务负担
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the entire incidence falls on the workers .税务统统落在工人头上。
[mass noun]
【物理】 入射。
"late Middle English (denoting a casual or subordinate event or circumstance): from Old French, or from medieval Latin