A digital map based on the single line model was developed for in-vehicle navigation systems.
针对车载导航系统的需要，提出了一种基于单线模式的车载电子地图模型。
Digital compass, speedometer with alarm, real-time map navigation… Get GPS Utilities for your Symbian handset and be ready for travelling, hiking, driving, geocaching and more!
将您的智能手机变成功能强大的GPS定位导航设备。软件界面友好、操作简单、安装方便快捷，是您出游旅行、远足驾车、寻宝探险等户外活动的最佳向导！
Provide wide coverage, rich and accurate digital map and related services for major auto OEMs, portable navigation device vendors, websites and telecom carriers, etc.
为主流汽车厂商、互联网和无线领域的客户提供覆盖广泛，数据精确丰富的电子地图和相关服务；
Digital navigation map is fundamental part for VNS, so map data actuality will directly exert an influence on navigation accuracy.
导航电子地图作为导航系统的重要基础，数据的现势性如何直接影响到导航的准确与否。
Digital navigation map is fundamental part for VNS, so map data actuality will directly exert an influence on navigation accuracy.
导航电子地图作为导航系统的重要基础，数据的现势性如何直接影响到导航的准确与否。
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