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: 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: Randomized cluster sampling and cross-sectional study.
设计：随机整群抽样，横断面调查。
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。
MethodsThe cluster sampling and questionnaire survey were adopted to survey 1 193 persons.
方法：采用整群抽样方法通过问卷调查广州市外来农村流动人口1 193人。
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。
The weight coefficient of the index was given out with the stratified cluster sampling and stratified analysis.
并采用分层整群抽样调查和层次分析法相结合的方法，确定出了各指标的权重系数。
Multiple stratified cluster sampling method was used in the Health Service Investigation on residents in Weihai.
利用分层整群抽样的方法对威海市居民进行健康调查。
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: Stratified cluster sampling method was used to choose students to complete "SCL 90 Mental Symptoms Table".
方法：以简明精神症状自评量表(SCL 90)为测试工具，采用分层整群随机抽样研究方法。
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。
Preschool students were selected by random cluster sampling from Songgang street of Bao an district in Shenzhen city.
采用随机整群抽样的方法，对深圳市宝安区松岗街道的学龄前儿童进行视力测查及影响因素调查。
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 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。
A household survey was conducted over 6229 rural households in which there were 15667 persons through stratified and cluster sampling.
本研究采用分层整群随机抽样方法，共调查农村6229户家庭，15667人。
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 According to the cluster sampling, we sampled 430 healthy infants totally from 10 districts in the area of Guanzhong in Shaanxi Province.
方法按照整群抽样原则随机抽取陕西关中地区10个县区，共计430名健康婴幼儿。
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。
应用推荐