[統(tǒng)計(jì)] 多元比率估計(jì)(值) estimate by ratio: 按比例估計(jì)ratio estimate: 比例定量; 比例估計(jì); 比率估計(jì); 比推定量double ratio estimate: 復(fù)比估計(jì)值separate ratio estimate: 分別比率估計(jì)值stratified ratio estimate: 分層比率估計(jì)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯