rate of incidence
入射率
incidence───n.发生率；影响；[光]入射；影响范围
tax incidence───[税收]纳税负担；税收归宿；租税归宿
rate───n.(Rate)人名；(法、塞)拉特；n.比率，率；速度；价格；等级；vi.责骂；被评价；vt.认为；估价；责骂
starting rate of───启动速率
rate of pay───[经] 工资率， 报酬率
the rate of───……的速率；……的比率
prevalence vs incidence───患病率vs发病率
required rate of return───预期收益报酬率; 预期收益率; 要求投资盈利率; 应得报酬率；预期收益率，要求投资盈率；所需回报率，要求报酬率
instantaneous rate of change───瞬息改变率
overall rate of incidence of Down's syndrome is one in every 800 births.───新生儿中唐氏综合症的总体发病率是八百分之一。
And again, women are worst affected, with a higher rate of incidence than men.───而且，妇女再次受到最严重影响，发病率高于男子。
of incidence of a disease.───的患病率很高。
Studies find that the rate of incidence is higher among middle-aged people.───研究表明中年人的发病率较高。
abstract: Stroke is a disease with high rate of incidence and morbidity and is very harmful to human beings.───脑卒中是发病率高、致残率高、对人类危害非常大的疾病。
an incidence rate, a (high) rate of incidence───发生（疾病的）比率
Objective To investigate the rate of incidence, cause, treatment and recovery cephalic presentation dystocia.
The overall rate of incidence of Down's syndrome is one in every 800 births.