低噪声降频器可靠性试验设计 关键字： 可靠性；MTBF；合格率 [gap=544]Key Words： reliability；MTBF (Mean Time Between Failure)；qualification rate
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voltage qualification rate 电压合格率
standardized qualification rate 标化合格率
first-time qualification rate 一次合格率
test qualification rate 测试通过率
Water Qualification Rate 水质达标率
Through analyzing the characteristics and origination of crack in the roll barrel, the countermeasures were put forward. Through the countermeasures, crack in the roll barrel is effectively controled and decreased, increasing the qualification rate of the roller.
通过对辊身裂纹的特征及产生原因的分析,提出了应对措施,有效地控制和减少了辊身裂纹缺陷,提高了产品合格率。
参考来源 - 离心复合轧辊辊身裂纹缺陷分析与控制·2,447,543篇论文数据，部分数据来源于NoteExpress
Qualification rate is 98% which meets the quality requirements.
干燥成品率98%，质量符合要求。
Objective To improve the qualification rate of preparation for surgical instruments.
目的提高手术前器械准备的完好率和物品的适用性。
Hygienic qualification rate is only 65.11 %. More than half of the cleaning facilities are not qualified.
结果：餐饮卫生合格率仅为65.11％，半数以上餐饮具洗消保洁设施不配套、不专用；
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