This provides an availability figure based on mean timetofailure information in days, and mean timeto recover information in hours.
它提供了一个基于数天内的平均失效时间信息和数小时内的失效恢复信息的可用性特性。
2
Mean timetofailure is the average continuously operational period — i.e. the average period between the end of one failure and the beginning of the next.
平均失效到达时间是连续运行期间的平均值——也就是说，在结束一个失效和开始另外一个之间的平均周期。
3
The reliability lab ship fuel oil donkey boiler controlled by relay control system is evaluated using counting method, and mean timetofailure (MTTF) of the control circuit is educed.