By adopting the method of looking over the tickets of passengers and recording the time when they enter the stations, a waiting time model is established on the basis of the gray dynamic theory.
通过实际查验旅客车票并同时记录该旅客的进站时间，基于灰色动态理论，建立旅客的候车时间模型。
Aiming at the CNG car filling difficulty, waiting time long issues appeared throughout the country, a kind of fast food-filling model is suggested.
针对全国各地出现的CNG(压缩天然气)汽车加气难、排队时间长等问题，提出了CNG汽车快餐式加气模式。
The imbedded Markov chains of the model are presented. In the steady state. the expressions of the average waiting time and the average queue length for every priority class of customers are derived.
我们分析了这种模型的嵌入马氏链，并且求出了在稳定状态下各类顾客平均等待时间和平均队长的表达式。
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