Now, in many parts of the world, when you hire a car, you get a navigation system — a little electronic map on a screen with a machine voice.
目前在世界的许多地方，你在租用汽车时都会获得一个导航系统，它是显示在屏幕上的一张小型电子地图，可以发出机器声音。
The automobile navigation system is an important part in this design. This paper investigates GPS location, GIS navigation and description methods and data structure of navigation electronic map.
车载导航系统是本设计的重要功能组成部分，本文深入讨论了车载定位导航技术的理论基础：全球定位系统GPS与地理信息系统GIS，以及电子地图的表达方式和数据结构。
The accurate, real-time and comprehensive navigation data is the soul of navigation electronic map.
准确、实时、全面的导航数据是导航电子地图的灵魂。
The user can rapidly download the data of electronic map relevant to the course this time through data service end of map and get the convenience of dynamic navigation.
用户可以通过地图数据服务端快速下载于本次行车路径相关的电子地图数据，获得动态导航的便利。
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；
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；
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