stochasticaladj.随机的=stochastic.stochasticadj.随机的；概率性的stochastic productio随机产生式stochastic hydrology随机水文学stochastic evolution随机演化stochastic selection随机选择Stochastic phenomena随机现象stochastic inventory随机库存stochastic character随机性stochastic parameter随机参数stochastic stability随机稳定性stochastic Petri net随机Petri网