基本解釋[數(shù)] 抽樣調查英漢例句雙語例句DESIGN:A stratified random cluster sampling investigation.設計：分層整群抽樣調查。Stratification is one of the key techniques in stratified sampling investigation and monitoring using remotely sensed data.分層技術是遙感分層抽樣調查與監(jiān)測方法中的關鍵技術之一。DESIGN:A stratified randomised cluster-sampling investigation.設計：分層隨機整群抽樣調查。sampling investigation更多例句詞組短語短語sampling g investigation 抽樣調查double sampling serum investigation 雙份血清調查systematic sampling investigation 整群抽樣調查population sampling investigation 人口抽樣調查random sampling investigation 隨機抽樣調查sampling investigation更多詞組專業(yè)釋義經濟學抽樣調查交通運輸工程抽樣調查數(shù)學抽樣調查