| 单词 | stratified random sampling |
| 释义 | 例句释义: 分层随机抽样法,分层抽样,分层随机取样,分层随机采样 1. This research was conducted with stratified random sampling, based on the population proportion of every district in Taipei City. 本研究以台北市各区人口为基础，采分层随机便利抽样方式进行。 140.118.33.11:8080 2. Methods: Totally 1000 nurses were investigated with a self designed questionnaire using stratified random sampling. 方法：采用分层随机抽样的方法，自行设计问卷，对1000名临床护理人员进行调查。 kns50.chkd.cnki.net 3. Methods The number of samples was calculated with the optimum allocation stratified random sampling survey. 应用最优分配随机分层抽样方法确定调查点。 www.jukuu.com 4. Methods 4305students were selected by stratified random sampling, and a questionaire survey of TB knowledge was made. 方法采取分层随机抽样的方法在深圳各区学校抽取4305位学生进行问卷调查。 www.39kf.com 5. DESIGN: Clustering stratified random sampling, cross- sectional survey. 设计：整群分层随机抽样，横断面调查。 dictsearch.appspot.com 6. The subjects were 648 elementary school parents in Penghu County by stratified random sampling, with 602 valid responses returned. 研究对象为澎湖县国民小学普通班在学学生家长，以分层随机抽样进行取样，样本人数共计648人，回收有效问卷共602份。 140.133.6.46 7. Methods By multi-stage stratified random sampling method, 20087 people were selected from 40 administrative villages of 8 counties. 方法采用多阶段分层随机抽样方法抽取了山东省8个县，40个行政村共20087人。 www.ceps.com.tw 8. This study is based on a stratified random sampling sur-vey on passengers traveling by Taipei Metro. 本研究以搭乘台北捷运的人口比例为基础，采分层随机便利抽样方式进行。 140.118.33.11:8080 9. Empirical Likelihood Method under Stratified Random Sampling Using Auxiliary Information and the Information in the Strata Population Size 在分层抽样下有效利用辅助信息及含于层总体大小中的信息的经验似然方法 www.ichacha.net 10. Stratified Random Sampling Technology for Water Quality Assessment in Distribution System 分层随机抽样技术评价供水管网水质 www.ilib.cn 1. Estimation of the Geometric Mean in Stratified Random Sampling 分层抽样中几何平均数的估计 www.ilib.cn 2. Stratified random sampling for percentages 百分比的分层随机抽样 www.pkuyy.com 3. A Study on Sample Size Allocation in Stratified Random Sampling 分层抽样中样本量的分配方法研究 www.ilib.cn |
| 随便看 |
|
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。