stratification
分层抽样
stratification sampling
暂无补充释义。
相关词条
stratification
social stratification
moist low-tempera-ture stratification
stratification
stratification
thermal stratification
vertical stratification
stratification sampling
暂无补充释义。
stratification
stratification
social stratification
moist low-tempera-ture stratification
stratification
stratification
thermal stratification
vertical stratification