方法采用整群随机抽样调查方法。
方法：分阶段分层整群随机抽样调查。
Methods. The survey was conducted according to multi-stage stratified cluster sampling method.
方法采取分层整群随机抽样方法进行问卷调查。
Methods Stratified cluster random sampling was carried out in prevalence survey and questionnaires was applied.
研究方法本研究采用分层整群随机抽样方法进行抽样。
RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
方法：本研究采用分层随机抽样方法和整群随机抽样方法。
Methods: The stratified sampling and cluster random sampling methods are used in this survey.
结论：推导并建立多重分层、整群随机抽样误差的计算公式。
CONCL USION: the calculation formulas of multiple - stratifying and clustering random sampling are theoretically set up.
方法采用整群随机抽样的方法，对云南省罗平县的老年人进行入户问卷调查。
Method Cluster random sampling method was used to conduct a household survey on the elderly in Luoping Country, Yunnan.
方法采用整群随机抽样方法，抽取荣成市沿海地区8757名渔民为调查对象。
Methods The grouped random sampling rule survey was carried out in a sample population of 8757 who lived in seaside district of Rongcheng city.
方法采用分层整群随机抽样的方法，对13个中签县市39个村(点)进行调查。
Methods Cluster random sampling was used for investigation of 39 villages selected from 13 counties.
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。
A household survey was conducted over 6229 rural households in which there were 15667 persons through stratified and cluster sampling.
方法按照全国统一制定的调查方案，按病种以分层整群随机抽样的方法确定调查点。
Methods According to the national guidelines, clustered random sampling was made for the survey.
方法采用整群随机抽样方法，对福州、三明市城区19岁以上居民进行横断面的调查。
Methods Questionnairy survey, physical examination, and laboratory testing were conducted urban inhabitants aged above 19 years in Fuzhou and Sanming selected by cluster random sampling.
方法：采取整群随机抽样方法，对本市农村地区老年人群进行结核病流行病学抽样调查。
Methods: Epidemiological survey of tuberculosis was conducted by cluster random sampling in the elderly in rural area.
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.
方法采取整群随机抽样方法选取被试，对抽取的2 015名大学生进行匿名自填问卷调查。
Methods a cluster random sample of 2 015 undergraduates were investigated with an anonymous questionnaire.
方法采用整群随机抽样方法，抽取337例0～18个月婴幼儿的母亲，对其进行问卷调查。
Methods In a method of randomly chester sampling, we drew 337 mothers whose infant age varying in month from 0 to 18 and conducted a questionnaire investigation.
方法对社区人群采用多阶段分层整群随机抽样方法抽取研究对象，进行个案调查和血清学检测。
Methods Subjects were collected from community population by stratified multi-stage cluster sampling method. The data gathered from case investigation and serological detection.
方法在合肥市采用整群随机抽样的方法抽取4 5 0 0名初一学生，并对其进行问卷调查。
Methods With cluster sampling method, 4 500 students of the first grade junior middle school filled in questionnaires.
方法采用整群随机抽样并进行入户调查的方法，对1 000名60岁及以上老年人进行了调查。
Methods an investigation was made 1 000 old people aged 60 and upwards by random sampling and calling at the house.
方法采用分层整群随机抽样方法，询问调查抽中的广州市1级、2级和3级医院的一线临床医生。
Methods a questionnaire survey was conducted among the clinical doctors selected by stratified cluster random sampling from grade 1, 2 and 3 hospitals in Guangzhou.
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: Stratified cluster sampling method was used to choose students to complete "SCL 90 Mental Symptoms Table".
本研究采用中心产区典型群随机抽样方法，对海子水牛、山区水牛进行体型外貌评定以及屠宰测定；
Using the method of"random sampling in typical colonies of the central area of the habitat", we assessed physiognomy bodily form and slaughter determination in Haizi and Mountainous buffalo.
本文采用分层整群随机抽样的方法，调查了陕西省眉县农村10 ~ 11岁小学生的膳食摄入情况。
We carried out a dietary investigation of pupils aged 10-11 in Mei county in Shaanxi with level-based community random sample method.
通过整群随机抽样的方法，采用入户询问方式对澄江县115 8例农村已婚育龄妇女进行问卷调查。
After group random sampling, home-visit was made with questionnaire to 1158 married childbearing country women in Chengjiang county.
方法：用整群随机抽样方法选取成都城乡1 016例60岁及其以上老年人，进行问卷调查和体检。
Methods: 1 016 aged 60 and over in the urban and rural areas of Chengdu were randomly cluster sampled and investigated by questionnaire and medical examination.
方法采用整群随机抽样方法，对武汉某职业技术学校在校学生进行了艾滋病知识、态度、行为的问卷调查。
Methods 700 college students were selected from Wuhan Maritime Professional School by random sampling, a questionnaire survey about AIDS knowledge, attitude and behavior was conducted.
方法：采用整群随机抽样入户调查的方法，用自制问卷对温州市城区12个社区386名老年人进行调查。
Methods: Cluster random sampling was used for door-to-door questionnaire survey. Using self-made questionnaire drew 386 elderly at random from 12 communities of Wenzhou City.
方法采用整群随机抽样的方法抽取696名35岁以上社区居民，开展问卷调查并进行体格检查及血糖检查。
Methods 696 community residents over 35 years old were selected by random cluster sampling, questionnaire, physical examination and blood glucose examination.
方法采用整群随机抽样方法抽取成都市五城区0 ~6岁独生子女1,453名，男765名，女688名。
Methods 1 453 singletons 0 ~ 6 yr children were took out from the five city districts in Chengdu by clustering sampling (boys 765, girls 688 respectively).
方法采用分层整群随机抽样的方法，在郴州市随机抽取北湖区、苏仙区和桂阳县的9所乡镇卫生院作为调查现场。
Methods Stratified random cluster sampling was used, 9 township hospitals were randomly selected from Beihu District, Suxian District and Guiyang County of Chenzhou.
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