对实现城市道路最短路径的道路数据的组织、相关技术和方法作了初步的研究，并构建了试验环境。
Preliminary research is made on the organization of the road data of the shortest path of urban roads, the relevant technique and methods, and an experimental environment is built.
对实现城市道路最短路径的道路数据的组织、相关技术和方法作了初步的研究，并构建了试验环境。
Preliminary research is made on the organization of the road data of the shortest path of urban roads, the relevant technique and methods, and an experimental environment is built.
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