first passage短语¹⁴⁴⁹⁷²⁺² 基本例句 首次通过 A ring network can be modeled by a Markov chain and its characteristics can be described by several indicators such as the mean first passage times of the Markov Chain. 一个环状网络可以由马尔科夫链来描述,并且通过求解该马尔科夫链的平均首达时间等指标来描述该网络的特点。 fabiao