outage

an outage lasting two hours

两小时停电

These outages must be tracked to build a record of failed service delivery.

对这些中断必须跟踪，以建立失效服务提供记录。

This method quoted from conception of extended conterminal points, and the minimal-cut is determined by system-outage from energy-paths angle.

本方法了扩大结点概念,采关矩阵分块处理方法,避免了穷举法缺点。