设计：随机整群抽样，横断面调查。
设计：整群抽样，横断面调查。
设计：随机整群抽样，横断面调查。
DESIGN: Random cluster sampling methods and a cross-section survey.
设计：整群抽样与单纯随机抽样。
DESIGN: a cluster sampling and simple randomized sampling survey.
方法整群抽样，横断面调查。
设计：整群抽样，分层分析。
方法：以分层随机整群抽样的方法，确定调查样本。
Methods: Stratified random cluster sampling method was used to determine the survey sample.
方法采用分层整群抽样方法调查487户贫困家庭。
Methods With stratified sampling and cluster sampling, we investigate 487 families in poverty.
方法采用分层随机整群抽样方法，对疟史进行问卷调查。
Methods Stratified random cluster sampling was applied to conduct the investigation using pre-designed and tested questionnaire.
方法：采用分层整群抽样的方法，对育龄妇女进行入户调查。
Methods:Adopt the method of stratified cluster sampling, women were investigated through questionnaire in family.
方法：采取整群抽样，对安宁市村级卫生服务提供者进行调查。
Methods: To applied cluster sampling method interview all the village health workers.
本文讨论了连续调查中应用普查方法时的整群抽样和分层整群抽样。
This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses.
方法采用分层整群抽样方法，对调查对象进行无记名自填式问卷调查。
Methods Female college students were sampled by cluster sampling and investigated by using questionnaire survey on anonymous basis.
方法采用整群抽样的方法，对1200名军事飞行人员进行问卷调查。
Methods a questionnaire survey of occurrence of SAHS in terms of random sampling was performed in 1200 military pilots.
方法采取分层整群抽样的方法对青岛市1 785名儿童进行问卷调查。
Methods a questionnaire survey was conducted to a clustered stratified sample of 1 785 children in Qingdao.
方法采用分层整群抽样方法对暨南大学在校学生1 700名进行问卷调查。
Methods The questionnaire survey was conducted among 1 700 college students with stratified-cluster sampling method.
方法采用分层整群抽样方法，对安徽省2 519名中小学生进行问卷调查。
Methods With stratified cluster sampling method, 2 519 students were questionnaired in Anhui province.
方法：通过分层整群抽样的方法，对某医科大学的818名医学生进行问卷调查。
Methods Choosing 818 students in a medical university with strata cluster sampling and carrying out a questionnaire survey.
同时研究表明，系统随机整群抽样是进行黄牛群体遗传变异分析的最适抽样方法。
Also the results showed that the Stratified Random ClusterSampling is an adequate sampling method for the genetic variation analysis of yellow cattle population.
方法采用典型调查与整群抽样相结合的方法，对996名儿童及其家长进行问卷调查。
Methods a cluster sampling and canonical research were adopted to investigated 996 children and their parents with a questionnaire.
方法采用分层整群抽样的方法对一所职业技术学院的502名学生进行匿名式问卷调查。
Methods An anonymous survey was conducted among 502 students from a technical college selected by stratified sampling and cluster sampling.
方法采用整群抽样的方法在合肥市某中专学校进行问卷调查，并对有效问卷进行统计分析。
Methods Using cluster sampling, the study was conducted in a secondary technical school in Hefei, and the available questionnaire were analysed.
方法采用整群抽样的方法在合肥市某中专学校进行问卷调查，并对有效问卷进行统计分析。
Methods using cluster sampling , the study was conducted in a secondary technical school in hefei , and the available questionnaire were analysed.
方法采用整群抽样方法在福州市区抽取5所幼儿园，并对778名幼儿家庭进行问卷调查。
Methods 5 kindergartens were selected by whole group sampling in Fuzhou city district, 778 infant parents answered the questionnaire investigation.
采取分层整群抽样的调查方法，选取辽宁省14个市95家社区卫生服务机构作为分析样本。
This research adopts investigation methods of stratified sampling and cluster sampling, chooses 95 community health service organizations in 14 cities of Liaoning Province as a analysis sample.
方法采用多阶段整群抽样和配额抽样相结合的方法，对深圳市1 320名居民进行入户问卷调查。
Methods Random sample were obtained from the whole population by multiple stratified cluster and 1 320 objects were surveyed in their own homes by questionnaires.
方法随机分层整群抽样的方法，应用症状自评量表（SCL-90）对江苏省农村中学进行调查测评。
Methods Middle School students in Jiangsu Rural Areas were investigated with SCL-90 by stratified sampling.
方法：应用分层整群抽样方法，在城市、农村小学中各抽取一所小学，进行视力检查及相关因素调查。
Method: Using stratified cluster sampling, sampling an elementary school respectively in the city and countryside, carries on the check by sight and the correlation factor investigation.
方法：应用分层整群抽样方法，在城市、农村小学中各抽取一所小学，进行视力检查及相关因素调查。
Method: Using stratified cluster sampling, sampling an elementary school respectively in the city and countryside, carries on the check by sight and the correlation factor investigation.
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