fraction defective

常見例句

Improve existing products, fraction defective decrease more than 80% within one year.
改進(jìn)現(xiàn)有產(chǎn)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，存在缺陷的產(chǎn)品在中國(guó)每年出口的所有產(chǎn)品中所占的比例微不足道。
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(shí)，應(yīng)采取逐日分層抽樣方法，以提高送檢樣本對(duì)全批毒率的代表性。