方法采用随机分层整群抽样方法，对日照市石臼街道常住人群进行面访式问卷调查。
Methods A survey on prevalence of FD in communities of Shijiu Neighborhood, Rizhao was conducted by using a stratified, randomized cluster-sampling method.
在街道上，弃置在路上的尸体因连日来的雨水和烈日照射，而散发出浓重的气味。
In the streets, the smell of corpses is accentuated by the searing heat that has replaced the heavy rain of days ago.
在街道上，弃置在路上的尸体因连日来的雨水和烈日照射，而散发出浓重的气味。
In the streets, the smell of corpses is accentuated by the searing heat that has replaced the heavy rain of days ago.
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