基本解釋不郃格率；廢品率；不良率英漢例句雙語例句Improve existing products, fraction defective decrease more than 80% within one year.改進現(xiàn)有産品，一年內(nèi)質(zhì)量不良率下降80%以上。Officials have pointed out that the number of defective Chinese exports is just a fraction of the total shipped each year.有關(guān)官員指出，存在缺陷的産品在中國每年出口的所有産品中所佔的比例微不足道。So it is considered that we should adopt the method of day-to-day sampling to heighten the representation of the testing moths to lot fraction defective.在家蠶母蛾微粒子病抽樣檢查時，應(yīng)採取逐日分層抽樣方法，以提高送檢樣本對全批毒率的代表性。fraction defective更多例句詞組短語短語fraction -defective chart 微量不良率圖critical fraction defective 臨界不良率sample fraction defective 樣本不良率quality fraction defective 質(zhì)量不郃格率Lot fraction defective 批不良率fraction defective更多詞組專業(yè)釋義數(shù)學(xué)不良率機械工程不郃格品率