采用道路网数据库对电子地图进行存储，对于得到地图上若干送货点及配送中心的拓扑关系十分有效。
It's very effective to get the topological relationships between distribution destinations and a physical distribution center when we use the road net database.
通腾提供了道路网络性能的粒状图片，这些图片来自其交通数据库。
TomTom provides a granular picture of road-network performance from its traffic database.
然后利用Arcgis软件建立Geodatabase路网信息数据库和路网专题地图的制作。
Road network information database is established by using ARCGIS software. The thematic maps were produced.
在此基础上采集大量道路信息，溶入GIS技术，建立城市道路网络数据库。
Based on the collection of road information, the road network database is constructed by means of GIS technology.
基于需求分析设计了成都市区交通路网发布系统的数据库和体系结构并实现了系统功能。
Based on the demand analysis, the database and the architecture of Chengdu urban transportation releasing system was designed and its function was realized.
基于需求分析设计了成都市区交通路网发布系统的数据库和体系结构并实现了系统功能。
Based on the demand analysis, the database and the architecture of Chengdu urban transportation releasing system was designed and its function was realized.
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