短語詞組短語Stratified cluster random sampling 分層整群隨機(jī)抽樣stratified simple random sampling 分層簡單隨機(jī)抽樣;簡單隨機(jī)抽樣disproportionate stratified random sampling 異比分層隨機(jī)抽樣proportional stratified random sampling 分層隨機(jī)抽樣stratified random sampling method [統(tǒng)計(jì)]分層隨機(jī)抽樣法proportionate stratified random sampling 定比分層抽樣法multistage stratified random sampling [統(tǒng)計(jì)]多級(jí)分層隨機(jī)抽樣stratified random sampling surveys 分層隨機(jī)抽樣調(diào)查Using Stratified Random Sampling 采用分層隨機(jī)抽樣 返回 stratified random sampling