DESIGN: a simple random sampling survey.
设计：简单随机抽样调查。
Method: Using simple random sampling survey and non-structured interviews.
方法：简单随机抽样问卷调查和非结构式访谈。
Two kinds of questionnaire and single testing model were used to conduct a random sampling survey.
由椿游路线组成两类问卷，并采用单一测试模型抽样调查。
Methods: The stratified sampling and cluster random sampling methods are used in this 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。
Random sampling: random sample of 50 boys, 50 girls were 100 students conducted a questionnaire survey.
随机抽样：随机抽取50名男生，50名女生共100名学生进行问卷调查。
Methods A total of 310 teachers from 4 middle schools in Huaibei City were selected with stratified random sampling to undergo a survey with teacher job burnout questionnaire(MBI-ES).
方法采用分层随机抽样方法，抽取安徽省淮北市4所中学的310名教师，采用教师职业倦怠量表（MBI-ES）进行调查。
The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total.
调查在分层逐级抽样法与随机抽样法相结合的抽样基础完成，共收集有效样本1005个。
Methods a questionnaire survey was conducted among 200 people in Luohu District, selected by random sampling.
方法在社区采用单纯随机抽样的方法抽取居民200人进行问卷调查。
The normal value range of indicators about accident proneness were detected according to epidemiological survey results using stratified random cluster sampling in 5 cities.
在5个城市作整群分层随机抽样调查确定与事故倾性有关指标的正常值范围。
Methods By random sampling method, 9 refectories and 366 students usually having their lunch at schools were drawn from Fangshan District, an anonymous questionnaire survey was conducted among them.
方法采用随机抽样的方法，对房山区9所中小学校食堂及366名在校就餐的学生进行膳食及营养教育相关情况的问卷调查。
Methods: Epidemiological survey of tuberculosis was conducted by cluster random sampling in the elderly in rural area.
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 Stratified random group sampling was adopted in survey.
方法采用多级随机抽样法。
Methods Random sampling was carried out in a survey for 161 community health service manpower by questionnaire.
方法采取随机抽样方法，对161名社区卫生服务从业人员进行问卷调查。
RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
研究方法本研究采用分层整群随机抽样方法进行抽样。
Methods According to the national guidelines, clustered random sampling was made for the survey.
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。
I have come across various survey reports on the well-being (or satisfaction) level of residents, but most are based on a simple random sampling on streets.
过去也经常听说各种居民生活幸福水平(或满意度)调查报告，但多是街头随机抽样的调查问卷。
Methods a questionnaire survey of occurrence of SAHS in terms of random sampling was performed in 1200 military pilots.
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: Using the pure random sampling method, carries on the residence questionnaire survey to 500 farmers.
方法：采用单纯随机抽样方法，对500名农民进行入户问卷调查。
Methods With the method of cluster stratified random sampling, a questionnaire survey was conducted in medical and non-medical higher-educated school in Jilin city.
方法采用整群分层随机抽样的方法，对吉林市某医学院校及非医学高校的在校大学生进行问卷调查。
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。
It is the first national fish tissue survey to be based on a probabilistic (random) sampling design, and it will generate data on the largest set of PBT chemicals ever studied in fish.
该计划在美国第一次采用随机抽样的方法进行鱼体组织调查，并得到了有史以来最详尽的鱼体毒物残留数据。
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的方法，对云南省罗平县的老年人进行入户问卷调查。
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 by systematic random sampling from 732 residents of new community and 512 residents of old community with need of health education.
方法采用整群随机抽样方法，对新城区732名居民和旧城区5 12名居民采用自填式问卷的方法调查新旧城区居民的健康教育需求。
DESIGN: Random cluster sampling methods and a cross-section survey.
设计：随机整群抽样，横断面调查。
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 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 Questionnaire survey township leading cadres, township hospital employees and patients with simple random sampling.
方法：采取单纯随机抽样方法对杭州某县乡镇干部、卫生院职工及患者进行问卷调查。
But she cautioned that so few people in the survey reported robberies that the bureau cannot be certain whether those figures represent a true increase or a random sampling variation.
但她警告说，调查中向警察报告抢劫案的人太少了，这使得统计局无法确定这些数据是真实增加了还是只是一个随机的变量。
Methods 1421 students from 4 high middle schools in Puyang City were selected to undergo a questionnaire survey by cluster random sampling.
方法采用整群抽样方法，对濮阳市4所高中的1421名学生进行问卷调查。
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