... Random Cluster Sample 随机整体样本 multistage cluster sample多段聚类样本 ; 多段聚样本 area cluster sample 区域聚类样本 ...
2
?多段聚样本
... Random Cluster Sample 随机整体样本 multistage cluster sample 多段聚类样本 ; 多段聚样本 area cluster sample 区域聚类样本 ...
双语例句
1
The survey data were collected from a random sample of 496 ninth grade students in 15 probability proportionate multistagecluster classes in Taichung City and County, Taiwan in 2005.