求翻译：摘要：阐述了可靠性工程的基本概念。根据马尔柯夫链法对几种典型系统的可靠度进行了计算，对可靠性的分配和预计方法做了简要分析。最后简要分析了当前的维修方法和维修最优化方法。是什么意思？

Abstract: This paper describes the basic concepts of reliability engineering. Markov chain method according to some typical system reliability was calculated on the reliability of the method of allocation and expected to do a brief analysis. Finally, a brief analysis of current maintenance practices

正在翻译，请等待...

Summary: Have explained the basic conception of the dependability project. The chain law of the has been calculated to the reliability of several kinds of typical systems according to Ma Erke, have done the brief analysis to dependability distribution and expectation method. Analyzed shortly finally