This paper describes state of accuracy in an assembly process firstly.
对装配作业过程进行了精度状态的描述；
A theory of the state-space method based on Markov process was introduced to solve reliability analysis for the low - voltage switchgear assembly system.
考虑到系统部件的更换和维修，把低压成套开关设备作为可修复系统，运用基于马尔可夫过程的状态空间方法，对其可靠性进行分析。
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