DESIGN: Cluster sampling and stratified analysis.
设计：整群抽样，分层分析。
Method cluster sampling and cross sectional study.
方法整群抽样，横断面调查。
Methods Randomly cluster sampling method was applied.
方法采用整群随机抽样调查方法。
DESIGN: Cluster sampling and cross-sectional investigation.
设计：整群抽样，横断面调查。
DESIGN: Randomized cluster sampling, cross-sectional study.
设计：随机整群抽样，横断面调查。
DESIGN: a stratified random cluster sampling investigation.
设计：分层整群抽样调查。
DESIGN: a cluster sampling and simple randomized sampling survey.
设计：整群抽样与单纯随机抽样。
DESIGN: Random cluster sampling methods and a cross-section survey.
设计：随机整群抽样，横断面调查。
Multistage stratified cluster sampling method was used for the sampling.
采用多阶段整群分层抽样方法。
Methods: Data were collected with the method of hospital-based cluster sampling.
方法采用以医院为基础的监测方法收集资料。
Methods: Stratified random cluster sampling method was used to determine the survey sample.
方法：以分层随机整群抽样的方法，确定调查样本。
Methods With stratified sampling and cluster sampling, we investigate 487 families in poverty.
方法采用分层整群抽样方法调查487户贫困家庭。
Methods. The survey was conducted according to multi-stage stratified cluster sampling method.
方法：分阶段分层整群随机抽样调查。
Methods With stratified cluster sampling method, 2 519 students were questionnaired in Anhui province.
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。
This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses.
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。
Methods:Adopt the method of stratified cluster sampling, women were investigated through questionnaire in family.
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 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暨南大学在校学生1 700名进行问卷调查。
The genetic resources of South Shaanxi white goats are examined with the method of Stratified Random Cluster sampling.
以系统随机整群抽样法对陕南白山羊进行了遗传资源的抽样检测。
The methodology adopted is to make relative questionnaire from cluster sampling of all 2008 graduates of the medical school.
方法：自行编制研究生满意度调查问卷，对某高校医学院2008届研究生进行整群抽样调查。
METHODS:310 freshmen in October 2005, selected from Henan University by cluster sampling, were interviewed by questionnaires.
方法：于2005-10采用整群抽样法随机抽取河南大学本科新生310人进行问卷调查。
Methods: Cluster sampling empty nest elderly in rural areas and indoor interview were conducted about their QOL with GQOLI-74.
方法：采用整群抽样，用生活质量综合评定问卷(GQOLI- 74)对农村空巢老人生活质量进行入户调查。
Methods Stratified cluster sampling was carried out to investigate TD in 9742 schoolchildren aged 7 to 16 years old in Wenzhou.
方法采用分层整群抽样方法，对温州地区9742名7 ~16岁的中小学生进行TD横断面调查。
Methods Female college students were sampled by cluster sampling and investigated by using questionnaire survey on anonymous basis.
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 to get 196 blood samples by using cluster sampling in sauna bath. To observe t lymphocyte immunophenotype with flow cytometer.
方法整群抽取桑拿浴服务人员外周血196例，采用流式细胞术观察T淋巴细胞免疫表型。
Methods An anonymous survey was conducted among 502 students from a technical college selected by stratified sampling and cluster sampling.
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: By cluster sampling method, women over 35 years old have dwelled over 1 year in certain rural community of county was investigated.
方法：采用整群抽样入户调查的方法，对某县农村社区居住1年以上、35岁以上全部妇女进行了调查。
Methods Totally 941 jobless families (3050 persons) were randomly selected with cluster sampling in 5 cities, and in-depth interview was performed.
方法应用整群随机抽样的方法对5市941户下岗家庭(3050人)进行入户询问调查。
Methods Totally 941 jobless families (3050 persons) were randomly selected with cluster sampling in 5 cities, and in-depth interview was performed.
方法应用整群随机抽样的方法对5市941户下岗家庭(3050人)进行入户询问调查。
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