An automatic accident detection method based on traffic flow parameters will be accessed, through simulating the physical environment of urban tunnel with traffic simulation software VISSIM.
采用VISSIM交通仿真软件，对城市隧道内的物理环境进行仿真，可设计出一种基于交通流参数的交通事故自动检测方法。
At the same time, use VISSIM, the microscopic traffic simulation software, to analyze traffic running condition of those points, and put forward the advices of traffic organization in the arena.
同时，结合宏观预测结果，应用VISSIM微观仿真软件分析关键节点的交通运行状况，提出世博会园区游客步行交通组织建议。
Applying the mature microscopic traffic flow simulation software and its interfaces to implement and test the traffic control algorithm is the main tendency of current traffic control research.
采用成熟的微观交通流仿真软件及其接口实现和检验交通控制算法是目前交通控制研究的主要方向。
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