Hello, I'd like to reserve a single berth ticket from Shanghai to Beijing.
你好，我想预定由上海去北京的单程卧铺票一张。
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。
The underground elevating automation three-dimensional garage, is the full use plot underground space establishment new garage, its model for single-layer 2 berth.
地下升降式自动化立体车库，是充分利用小区地下空间设置的新型车库，其型号为单层2个车位。
The underground elevating automation three-dimensional garage, is the full use plot underground space establishment new garage, its model for single-layer 2 berth.
地下升降式自动化立体车库，是充分利用小区地下空间设置的新型车库，其型号为单层2个车位。
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