stochastic finite state automata

例句：

1. 1.The probability of rain is stochastic.
   下雨的概率是随机的。
2. 2. The data was collected stochastically.
   数据是随机收集的。
3. 3.The results are stochastic and vary from one trial to another.
   结果随机且每次试验的结果都不同。