樣本平均值與方差samplement insoection by attributes: 屬性抽樣檢查sampleman: 采樣工; 取樣工samplepopulation: 抽樣人口sampleite: 氯磷鈉鈣銅礦; 氯磷鈉銅礦samplepreparation: 樣品加工下載手機(jī)詞典可隨時隨地查詞查翻譯