基本解釋[數(shù)學(xué)]組中值英漢例句雙語例句The method that using weighted arithmetic average of class interval' class mid-value in computing the average is troublesome and is wrong.運用組距數(shù)列組中值加權(quán)算術(shù)平均法計算平均指標(biāo)比較麻煩,也容易出錯;class mid-value更多例句專業(yè)釋義數(shù)學(xué)組中值