Failure rate and average repair time of input-bus unit were calculated by state Spaces method. Power reliability indices of whole systems were computed by min-cut method.

该方法用状态空间法求解输入母线单元失效频率和平均修复时间，用最小割集法计算整个系统的供电可靠性指标。

youdao

Across the country, we lose an average of seven billion gallons of drinking water a day to leaks-and we have an 800, 000-mile network of pipes that needs constant monitoring and repair.

美国全国每天因管道渗漏而损失的饮用水多达70亿加仑——而全国需要不断监测和维修的管道网络长达80万英里。

youdao

The average survival period of perforation repair, partial gastrectomy radical gastrectomy, is 9.5 months 14 months and 26.2 months respectively.

穿孔修补、姑息性切除和胃癌根治后平均生存期分别为9.5个月、14个月、26.2个月。

youdao

It hopes to repair an average 3, 000 potholes a month during spring.

BBC: Oxford

Highway repair teams fixed more than 1, 400 potholes between 1 and 10 April and say they are on target to repair an average 3, 000 a month in spring.

BBC: Pothole

The average chance of a hernia recurrence after repair at Shouldice is less than 1%.

FORBES: Magazine Article