说明：  主要实现的是系统在分布式管理下，在一定可靠性的条件下，系统的稳定性的判断。通过得到的计算值来估算系统的可靠性。
(Mainly achieved in distributed under the management of the system, the reliability of certain conditions, the stability of the system of judgments. Obtained by calculating the value of to estimate the reliability of the system.)