In the former two situations, the exit time is assumed to be a random variable and in the last situation the exit time is assumed to be a stochastic process.

对前两种情形考虑退出时间是个随机变量，对最后一种情形考虑退出时间是个随机过程。

youdao

In the former two situations, the exit time is assumed to be a random variable and in the last situation the exit time is assumed to be a stochastic process.

对前两种情形考虑退出时间是个随机变量，对最后一种情形考虑退出时间是个随机过程。

youdao