Proper design of sampling and survey methods can increase substantially the accuracy and usefulness of assessment data.
设计适当的抽样和调查方法，可以充分的提高评估数据的准确性，实用性。
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。
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。
Methods Complying with the united plan of medical survey nationwide, we combined sampling survey in various layers with general survey and typical survey.
方法遵照全国医疗照射调查的统一方案，采用分层抽样调查、普查和典型调查相结合。
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。
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。
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。
AIM: to set up statistical methods for calculation of intensity of schistosome infection in residents in nationwide sampling survey of schistosomiasis.
目的：为全国血吸虫病抽样调查居民血吸虫感染度的总体参数建立统计学方法。
Methods: Census method and sampling survey method were both used to investigate the related data of the second-class large medical equipments in Henan province.
方法：采用普查法和抽样调查法相结合，对河南省乙类大型医用设备的相关资料进行了调查。
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。
Marine geological sampling and sample analysis methods of the geological Survey of Canada are introduced in the paper.
本文介绍了加拿大地质调查局海洋地质取样和样品分析方法。
This paper studies the second stage sampling methods used in the two stage sampling survey for waterway transportation volume.
研究了采用二阶抽样对水路运输量进行抽样调查时的第二阶抽样方法。
Methods A large-scale survey was conducted at 250 medical health units based on stratified sampling.
方法使用分层抽样的方法在全国范围内抽取250家医疗机构开展大规模调查。
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 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: 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 According with the methods of the forth epidemiologic sampling survey for tuberculosis in our country, the method of stratified cluster random sampling was use in this survey.
方法根据全国第四次结核病流行病学抽样调查方案，采用分层整群随机抽样方法抽取调查点，然后根据调查结果进行分析。
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 Questionnaire survey was conducted among 1298 residents sampled by randomly stratified sampling. The age of the residents ranged from 15 to 69 years old.
方法用分层随机抽样的方法抽取1298名15 ~ 69岁的农村居民进行问卷调查。
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。
Methods With the equal proportion sampling, 5,489 elementary and middle school students were selected to test the visual acuity and a questionnaire survey was conducted among them.
方法采用等比抽样法对宝鸡市5 489名中小学学生进行了视力测试和问卷调查。
Methods Stratified random group sampling was adopted in survey.
方法采用多级随机抽样法。
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。
The methods of this thesis are literature and survey. The author selected two Suzhou Vocational Colleges as a sample through convenience sampling questionnaire.
论文运用文献法和调查法，选取苏州市的两所高职院校为样本，通过方便抽样发放问卷。
Methods Stratified cluster random sampling was carried out in prevalence survey and questionnaires was applied.
方法采取分层整群随机抽样方法进行问卷调查。
Methods The survey of prevalence of dental caries in group aged 12 and 15 years in Anhui province was conducted using the non-proportional, stratified, cluster sampling method.
方法对安徽省四县市的12岁及15岁儿童的龋病发病情况进行抽样调查，采用分层、不等比、多阶段整群抽样的方法。
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 Using immediately sampling questionnaire survey to the 100 prison basic-level male police.
方法采用随机抽样法对100名监狱基层男性警察进行问卷调查。
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。
METHODS Questionnaire survey is stratified and random sampling method in the form.
方法采用分层随机抽样的方法以问卷的形式进行调查。
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