设计：整群抽样与单纯随机抽样。
DESIGN: a cluster sampling and simple randomized sampling survey.
方法监测点的选择采用单纯随机抽样方法。
Methods Simple random sampling was used to choose surveillance counties.
方法：采用单纯随机抽样方法，对500名农民进行入户问卷调查。
Methods: Using the pure random sampling method, carries on the residence questionnaire survey to 500 farmers.
方法在社区采用单纯随机抽样的方法抽取居民200人进行问卷调查。
Methods a questionnaire survey was conducted among 200 people in Luohu District, selected by random sampling.
方法采用单纯随机抽样调查的方法对苏州当地居民及外来务工人员进行调查。
Methods Simple random sampling method was used to investigate the Suzhou local residents and migrant workers.
方法：采取单纯随机抽样方法对杭州某县乡镇干部、卫生院职工及患者进行问卷调查。
Methods Questionnaire survey township leading cadres, township hospital employees and patients with simple random sampling.
方法采用单纯随机抽样方法，对无锡市1010名流动人口和240名当地人群进行问卷调查。
Methods With simple random sampling, 1010 floating population and 240 local people in Wuxi were interviewed by questionnaire.
方法：采用单纯随机抽样方法选取山东某大型国企中40岁以下无任何基础疾病的青年管理人员164人。
Methods: Totally 164 young managers who had no basic disease and were less than 40 years in a Shandong company were selected with simple random sampling methods.
方法：采用单纯随机抽样方法选取山东某大型国企中40岁以下无任何基础疾病的青年管理人员164人。
Methods: Totally 164 young managers who had no basic disease and were less than 40 years in a Shandong company were selected with simple random sampling methods.
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