累计查询 0.00 亿次

stratified sampling

  • 分层抽样:将一个大群体按照年龄、性别、社会阶层等因素分成若干层,然后从每一层中随机抽取一定数量的样本,以便更好地了解整个群体的意见。

双语例句

  1. Methods: The stratified sampling and cluster random sampling methods are used in this survey.
    方法:本研究采用分层随机抽样方法和整群随机抽样方法。
  2. Methods With stratified sampling and cluster sampling, we investigate 487 families in poverty.
    方法采用分层整群抽样方法调查487户贫困家庭。
  3. Methods Middle School students in Jiangsu Rural Areas were investigated with SCL-90 by stratified sampling.
    方法随机分层整群抽样的方法,应用症状自评量表(SCL-90)对江苏省农村中学进行调查测评。

网络短语

  • stratified sampling method
    分层抽样法
  • method of stratified sampling
    分层取样法;分层抽样法
  • area stratified sampling
    区域分层抽样
  • disproportionate stratified sampling
    不等比例分层抽样;非比率分层抽样法
  • covariance for stratified sampling
    分层抽样协方差

英英释义

  • n.the population is divided into subpopulations (strata) and random samples are taken of each stratum