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。

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: To applied cluster sampling method interview all the village health workers.

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: 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。

Methods Choosing 818 students in a medical university with strata cluster sampling and carrying out a questionnaire survey.

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。

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 a cluster sampling and canonical research were adopted to investigated 996 children and their parents with a questionnaire.

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 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。