The article introduced and analyzed the principle of work and performance characteristic of the digital speedometer of automobile.
介绍并分析了数字式车速里程表的工作原理及性能特点。
When the digital speedometer in the car hits 231 km/h, the Japanese businessmen sitting across from me look up from their laptops and nod in approval.
车厢里的电子速度表已经达到231公里/小时，我对面的日本商人从笔记本上抬起头来，赞许的点了点头。
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！
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！
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