[統(tǒng)計(jì) 數(shù)] 誤差均方 effective error mean square: 有效誤差平方和error mean square: 誤差方差; 誤差均方error of mean square: 均方誤差; 平均誤差; 中誤差error root-mean-square: 均方誤差mean root square error: 均方根誤差下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯