这种疾病的发生率在欧洲各地相当平均。
Incidence of the disease is fairly evenly spread across Europe.
报道的嗜内脏型疾病的发生率因不同地点而异。
The rate of reported viscerotropic disease varies in different settings.
此研究预估了指定地区特定疾病的发生率以及经常吸二手烟的人数。
The study used estimates of the incidence of specific diseases and of the number of people exposed to second-hand smoke in particular areas.
They fixed that procedure and after that the cases went down even more.
该厂家修正了生产漏洞之后,疾病的发生率下降的更多了
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