Beidou road network map series: National Atlas of the road network and road mileage.
北斗公路网地图系列：国家公路网及公路里程地图集。
To effectively describe the real road network and improve the efficiency of vehicle navigation system, a road network model in digital map is created.
为了有效地描述实际道路网络，提高汽车导航系统的运行效率，建立了一种新的电子地图的路网模型。
This article put forward an efficient scheme aimed at map express of country road network and construction of network topology structure.
本文针对农村公路网的地图表示及网路拓扑结构的提取和构建这两项关键技术，提出了一种新的高效实用的解决方案。
Road network in large area is able to map in a short period of time.
能够在较短的时间内将大面积区域的现状路网成图。
Road network in large area is able to map in a short period of time.
能够在较短的时间内将大面积区域的现状路网成图。
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