目的：对适用于多个率的多重比较方法进行评价和选择。

Objective: To analyze the methods for multiple comparisons of rates.

youdao

那些喂饲高脂食物和白藜芦醇的白鼠比仅仅喂饲高脂食物的白鼠多活很多个月，死亡率和正常健康饮食的白鼠一样。

Those fed resveratrol along with the high - fat diet died many months later than the mice on high fat alone, and at the same rate as mice on a standard healthy diet.

youdao

通过免疫接种来控制全社区的疫情。 如果及早开展接种运动并且在多个年龄人群中实现高覆盖率，在小社区取得成功的几率极大。

Vaccination to control community-wide outbreaks is most successful in small communities, when the campaign is started early and when high coverage of multiple age groups is achieved.

youdao