单词stratified sample
un.: 分层样本
网络: 分层抽样；分层取出之样本；分层样品
分层样本
Methods A self-designed questionnaire survey was used to investigate a cluster stratified sample of 1010 college students.
方法采用分层整群抽样的方法，对广州市1010名大学生进行问卷调查。
This would be an example of a stratified sample.
这就是一个典型抽样的例子。
Methods: a cluster random stratified sample of 394 medical college students were investigated with a SCL-90 questionnaire.
方法：采取分层整群抽样的方法抽取394名医学生进行SCL-90症状自评量表的问卷调查。
Select a sampling method. Do we us a random sample, stratified sample, or cluster sample?
选择一种取样方法，我们是随机抽样、分层抽样、还是整群抽样？
A Stratified Sample Method of Scattering Source for Time-dependent Monte Carlo Transport
非定常粒子输运蒙特卡罗散射源分层抽样方法