| 词汇 | incidence |
| 释义 | incidence 1 ENTRIES FOUND: incidence (noun) incidence /ˈɪnsədəns/ noun plural incidences incidence /ˈɪnsədəns/ noun plural incidences Learner's definition of INCIDENCE [count] 1 : the number of times something happens or develops : the rate at which something occurs发生率 The drug has been linked with a higher incidence of certain cancers. [=the drug seems to cause certain cancers; people who take the drug seem to be more likely to get certain cancers]这种药与某些癌症的高发率有关联。 an increased incidence of diabetes增长的糖尿病发病率 a high/low incidence of criminal behavior犯罪行为的高/低发率 a disease with an incidence of one in 100,000 [=a disease that affects one person out of every 100,000]发病率为十万分之一的疾病 2 technical : the angle at which a ray (such as a ray of light) hits a surface入射（角） the angle of incidence 入射角 |
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