stratified cluster sampling

常見(jiàn)例句

Methods:Adopt the method of stratified cluster sampling, women were investigated through questionnaire in family.
方法：采用分層整群抽樣的方法，對(duì)育齡婦女進(jìn)行入戶(hù)調(diào)查。
Methods A scene cross-sectional survey was made for 3676 students in the four grades from four universities selected using the multi-stratified cluster sampling approach in Urumqi.
方法采用多級(jí)分層整群抽樣法對(duì)烏市四所綜合性大學(xué)一、二、三、四年級(jí)的3676名學(xué)生進(jìn)行橫斷面現(xiàn)場(chǎng)調(diào)查。
Methods Stratified cluster sampling was carried out to investigate 312 male physical education teachers aged over 35 years old in 160 primary and secondary schools in Jiaodong peninsula.
方法采用分層整群抽樣方法，對(duì)膠東半島160所中小學(xué)35歲以上的男性體育教師312人進(jìn)行問(wèn)卷調(diào)查。