electronic map information system 电子地图信息系统
telecom electronic map management system 通信电子地图管理系统
software system of electronic map 电子地图软件系统
The Map Symbol base System is one of the indispensable base functions in Electronic Map System.
地图符号库系统是电子地图系统中不可缺少的功能模块之一。
The component parts and main functions of the electronic map system of automobile navigation are analyzed in this paper .
本文分析了车载电子地图系统的组成和基本功能；
Basing on such GIS data model, we design a GIS electronic map system, which contains most basic GIS functions, such as object-create, map zoom, wandering, query and so on.
运用此模型，设计了一个基本的GIS电子地图实验系统，实现了GIS中地图对象的创建、地图的漫游、缩放、查询等功能。
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