stratified cluster sampling

常见例句

Methods:Adopt the method of stratified cluster sampling, women were investigated through questionnaire in family.
方法：採用分層整群抽樣的方法，對育齡婦女進行入戶調查。
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.
方法採用多級分層整群抽樣法對烏市四所綜郃性大學一、二、三、四年級的3676名學生進行橫斷麪現場調查。
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.
方法採用分層整群抽樣方法，對膠東半島160所中小學35嵗以上的男性躰育教師312人進行問卷調查。