问卷调查

Methods : A questionnaire survey was conducted among 411 medical staff in 15 departments by stratified cluster sampling.

采用分层随机整群抽样方法，对我院15个部门中的411在职医务人员进行问卷调查。

Methods questionnaire survey of 3 500 college students by random cluster sampling.

采用整群抽样抽取3 500名学生，对调查对象进行疾病诊断及影响因素问卷调查。

Methods The stratified cluster sampling was used to research 395 college students of Huangshan college by questionnaires.

采用分层整群抽样方法对安徽黄山学院395名大学生进行网络行为问卷调查。

Methods Questionnaire survey was conducted with stratified cluster sampling.

方法采用分层整群抽样的方法，进行无记名问卷调查。

Methods A questionnaire investigation was carried out among pupils, parents and teachers by cluster sampling.

采用整群抽样对学生和家长教师进行问卷调查。

A structured questionnaire was administered to 1091 students who were selected by cluster sampling.

以问卷调查法针对33所原住民国小1250名学童为对象，有效问卷1091份。

Methods: 1200 people who took medical examination were given health education, such as routine, colonia, individual and intensive propaganda and education.

方法随机抽取1200名体检者，通过常规宣教、群体宣教、个体宣教、重点宣教的方法进行健康教育后，采用自行设计的问卷调查，并与健康教育前该问卷的调查结果进行比较。

This paper studies by means of documents research, surveys by questionnaires, comparativeness and statistics, it analyses relative factors which affect cadres、 managers、 professional personnal、 workers stratum diversity of ways of leisure sports among city dwellers and makes a comparison on ways of leisure sports of several social strata. Finally, this paper predicts ways of leisure sports possibly taken by future city dwellers, and summits suggestions on social polices related to leisure sports to make sure that different social stratum has the right to take up leisure sports.

本研究运用文献资料、问卷调查、比较法、数理统计等方法，分析了影响福州市居民休闲体育活动方式的相关因素，并从社会分层的视角，对党政干部、企业经理管理人员、专业技术人员、产业工人四类社会不同阶层的休闲体育活动方式的差异进行了比较与分析；最后，对未来城市居民的休闲体育进行预测，并从保障城市不同社会阶层从事休闲体育权利的角度出发，针对与休闲体育相关的社会政策提出了若干建议。

Methods The questionnaire was carried out in 102 researchers who were in charge of the research projects from 2002-2006, to assess the major factors influencing the completive rates of research projects.

本次问卷调查的对象是我院1996年1月至2006年1月承担过科研课题的医务人员共138人，除因出国、下乡、退休、调离人员外，其中可进行问卷的102人。

Research methods are mainly oral report, interview, survey, cognitive componential analysis, structural equation modeling.

研究方法主要有口头报告法、访谈法、问卷调查法、认知成分分析法、结构方程模型等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。