fraction defective
不良率
常用释义
英式发音
美式发音
基本释义
- 不合格比例：指在生产过程中，产品中存在的不合格品的比例。
例句
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1·Improve existing products, fraction defective decrease more than 80% within one year.改进现有产品，一年内质量不良率下降80%以上。
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2·The results indicated that the Cd pollution condition was severe in the fishery products, which were increased year by year, and the fraction defective rate of other foods were degraded.结果表明，水产品中镉污染严重，且有逐年升高的趋势，其他各类食品的超标率有逐年降低的趋势。