sample survey method的意思|示意

Methods By using the cluster sampling method, a sample of 518 students drawn from 4 high schools in Chuzhou, then a questionnaire survey was conducted among them.

方法采取整群抽样方法，对滁州市4所高中三年级毕业班学生518名进行问卷调查。结果81。5%的学生使用过互联网。

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。

We used the method of investigating the sample and the general survey to investigate and study the plant resources in area of six counties and two districts under Shangqiu's jurisdiction.

采取样方调查结合普查的方法，对商丘市辖区内六县、两区、一市的植物资源进行了调查。

By using the method of sample survey, this paper investigated the edit situation of popup news in the three main instant messengers QQ, POPO and UC, in order to find out their character.

本文通过抽样调查的方法，对当前国内三大网络即时通讯工具(腾讯QQ、网易POPO、新浪uc)弹出式新闻的编辑状况进行比较分析，以揭示其各自的特色。

Based on the theory and method introduced before, this paper applied the rotation models to compute the sample rotation rate of sampling survey on vacancy rate of households in Shanghai.

包括分层抽样下样本轮换的估计量公式和最优样本轮换率的确定方法。再接着利用前面介绍的理论知识，结合上海市城镇住房空置率抽样调查数据进行实证分析。

Method Self-designed questionnaire survey was conducted among 95 chief nurses of cluster convenience sample.

方法采用整群方便样本，运用自设问卷对95名三甲医院主管护师进行调查。