查询词典 sampling methods

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。

To explain he common sampling survey methods in the study of human health.

调查研究人群健康状况时，常用的抽样调查方法有哪些？

Now the sampling survey has been one of the most important data gathering methods to all levels of Chinese government.

摘要目前，抽样调查已经成为我国政府统计机构收集统计数据最常用的方法之一。

Methods: Stratified sampling survey among the youth in government organizations.

研究方法：采用分层抽样方法对机关青年的工作满意度和价值观进行问卷调查。

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 investigation applied the methods of typical survey and cluster random sampling survey.

调查采用典型调查和整群随机抽样调查结合的方法。

Methods With simple random sampling, 1010 floating population and 240 local people in Wuxi were interviewed by questionnaire.

方法采用单纯随机抽样方法，对无锡市1010名流动人口和240名当地人群进行问卷调查。

Methods Three towns of Wenjiang District were selected for study by computer simple random sampling.

方法计算机单纯随机抽取温江区3个乡镇作为调查对象，采用走村入户与农民面对面访谈的方式随机对温江5％参合农户户主用自制问卷调查表进行调查。分别采用Epidata 3.0和ISPSS 11.5软件进行数据录入和统计分析。

Methods Questionnaire survey township leading cadres, township hospital employees and patients with simple random sampling.

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。

Methods: Simple random sampling was used to research into children aged 3 to 6 in the 6 counties in the Taian City, through questionnaires filled by parents on the amount and years of passive smoking of their children at different ages, the children's height and weight, and their respiratory health in the past year.

对泰安市6个县市区采用简单随机抽样的方式对3～6岁儿童进行调查，通过家长填写问卷的方式，调查内容包括不同年龄儿童的被动吸烟量及吸烟年限；测量儿童的身高体重；近一年呼吸道健康状况。

We were supposed to participate in a siege of this unit.

当然我们也参加了围困这支部队的任务。

Sometimes we eat pomelos.

有时我们也会吃柚子。