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；
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