This paper examines port queuing system with single berth. For its imbedded Markov chain, the author gives a necessary and sufficient condition under which the system is ergodic.
港口系统排队模型由两个排队子系统构成。本文对单个泊位(服务台)的情形讨论了它的嵌入马氏链，给出了系统遍历的充分必要条件。
Furthermore, we obtain a sufficient condition by which we can distinguish if an ordinary differntial system is a continuous ergodic system.
进一步我们也给出判别一个常微系统是连续遍历系统的充分条件。
The necessary and sufficient condition of recurrent and ergodic properties are proved first in chapter 3, and under that condition we get the stationary distribution.
本文在第三章给出了常返和遍历的充要条件，在此条件下由平稳分布的定义得出了平稳分布的发生函数。
The necessary and sufficient condition of recurrent and ergodic properties are proved first in chapter 3, and under that condition we get the stationary distribution.
本文在第三章给出了常返和遍历的充要条件，在此条件下由平稳分布的定义得出了平稳分布的发生函数。
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