By broader context, I mean how the concert relates to some period in music history.
我所说的广义，意思是将音乐会联系到某个音乐历史时期上来。
2
Mean time to failure 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
Thus the oddity. If the problem is not a part, nor a specific time period, what does it all actually mean?