The resistance of deteriorating structures is a non-stationarystochasticprocess.
对退化结构的时变可靠度，抗力必须表为随机过程。
2
Previous work on this problem has typically assumed that the channel conditions between the base station and the users are governed by a stationarystochasticprocess.
在此问题上，以前的研究工作中一个经典的假设是基站与用户之间的信道条件变化为一平稳随机过程。
3
In this paper, we discussed the underwater sound reverberation of moving medium, which is a non-stationarystochasticprocess even after compensating its energy attenuation.