Differences with regard to the incidence of natural inversion polymorphism are likely to exist between species as well as between sub-species . 自然倒位多型性的发生率在种间以及亚种间可能不同。
There may be an association between ambient co levels and the incidence of myocardial infarction or sudden death, or the case-fatality percentages . 环境中一氧化碳含量与心肌梗塞发病率，或猝死率、或与致死病例百分比之间也许存在某种关系。
The incidence of cancer is increasing worldwide 全世界癌症发病率在逐渐增高。
The incidence of crime has reached unheard - of levels 犯罪率已达到前所未有的水平。
The incidence of reported rapes rose 0 . 8 percent 美国联邦调查局还发布了两份特别报告。
To reduce the incidence of misconduct in the public service 减低公职人员行为失当的机会。
The incidence of leptospirosis is low in hong kong 在本港，感染端螺旋体病的个案十分罕见。
Investigation on the incidence of iddm in the children of nanning 南宁市儿童1型糖尿病发病率
Safety analysis was based on the incidence of aderse eents 安全性分析基于不良反应的发生率。
Gestational screening of the incidence of anemia in shantou area 汕头市妊娠期妇女贫血患病率调查
