For modeling customs checkpost area on free trade port area, a discrete event simulation model was built by the analysis on queuing network, characteristics of customs supervision and traffic flow.

针对保税港区海关卡口区域的建模问题，从海关监管、交通特征及排队网络分析出发建立了其离散事件仿真模型。

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The Highways Agency wants to change its layout to stop queuing traffic in the area.

BBC: Air Balloon Cottages