查询词典 sampling method

Methods Random sampling method was used to collect samples twice from the spray-paint plants during the work time and 0.5 hour after work; the samples were sent to the laboratory and detected according to the national standard.

采取随机抽样方法，对每个喷漆车间工作时和停工后0.5h采样2次，采样4h内送实验室，按国家有关标准直接进样检测。

MethodsThe method of random cluster sampling was adopted to select 700 automotive soldiers,the SCL-90,STAI,EPQ and SRHMS were used to evaluate the mental health and personality of them,and the related factors of mental health were analyzed.

方法随机整群抽样，抽取某部驻戈壁沙漠汽车兵700人，用症状自评量表(SCL-90)、状态—特质焦虑问卷、艾森克个性问卷和自测健康评定量表分别测评其心理健康水平及个性，并对心理健康状况的影响因素进行分析。

The sampling program in straightness measurement was investigated by a simulation experimental method.

采用仿真实验方法对直线度测量的采样方案进行了研究。

In chapter 4 based above two chapters, we disscuss sampling method of supplemented sample under both cluster sample and stratified sample having auxiliary information.

已有的 分层抽样和整群抽样方案都有自己的使用范围，在不适合的情况下使用效率很低。

Methods With stratified clustered sampling method, 375 college students were chosen to complete the questionnaire.

采用分层随机抽样方法，在杭州市的大学中抽取大学生375名进行问卷调查。

Methods (1) Randomized stratified clustered sampling method was used.

(1)采用分层整群随机抽样法，收集徐州市

In this paper, 236 SMEs of different types of ownership and from different industries are investigated using a stratified sampling method.

本文采用分层抽样方法，对236家不同所有制、具有行业代表性的中小企业展开了问卷调查。

All subjects in the sample of 600 individuals were selected by a stratified systematic random sampling method and interviewed by trained interviewers.

本研究采横断面研究方法，以苗栗县所有65岁以上老年人作为研究母群体，采分层随机抽样的方法，共得到600位样本，其中男性302人，女性298人。

This survey adopted a stratified, three stage, systematic random sampling method.

从十九所大学院校中抽出1，600人，然后采个别面访方式进行，共访问成功1，436人。

Using systematic grid sampling method and geostatistics, the spatial heterogeneity of land use intensity change in Guanxian county from 1990 to 2000 was studied in this paper.

以山东省冠县为研究区域，采用系统网格采样法获取研究样本，以地统计学方法探讨了冠县1990~2000年土地利用强度变化的空间异质性。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样