Equivalent normal distribution method for calculation of the reliability of machine elements, both calculation principle and application in engineering, is no doubt successful.
等效正态分布法对机械元件的可靠度计算，无论从计算原理还是到工程应用，无疑是比较成功的。
Basic principle of reliability evaluation of Binomial distribution unit is offered for correctly using in engineering.
为正确使用二项分布单元的可靠性评定方法提供了基础。
In the analyses on the reliability in geotechnical engineering, the principle problem is to decide the probabilistic characteristics of soil indexes.
在进行岩土工程可靠度分析时，首要问题是确定土性参数各随机变量的概率特性。
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