常見(jiàn)例句雙語(yǔ)例句DESIGN:A stratified random cluster sampling investigation.設(shè)計(jì)：分層整群抽樣調(diào)查。Stratification is one of the key techniques in stratified sampling investigation and monitoring using remotely sensed data.分層技術(shù)是遙感分層抽樣調(diào)查與監(jiān)測(cè)方法中的關(guān)鍵技術(shù)之一。DESIGN:A stratified randomised cluster-sampling investigation.設(shè)計(jì)：分層隨機(jī)整群抽樣調(diào)查。 返回 sampling investigation