They found the bike brake works with 99.999999999997 percent reliability, and the professor added: 'This implies out of a trillion braking attempts, we have three failures.
这种自行车刹车的可靠性据称达到99.999999999997 %,教授补充道:“在三万亿次试验中,我们只有三次失败。 这不算完美,但已经是可以接受的程度。”
To review and analyse the quality reliability works in petroleum occupation and its circumstances, the general object and proposal of quality reliability in petroleum occupation are put forward.
回顾、分析了石油行业质量可靠性工作及其面临的形势,提出了石油行业质量可靠性工作的总体目标和建议。
The Information Management System about the reliability of NC machine tool, proposed has been applied in many large machine tool works, and obtained better results.
研制的数控机床可靠性信息管理系统已在国内数家大型机床生产厂应用,取得了良好的效果。
应用推荐