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日本汽车和电子产业目前正卷入一场智能传输系统 (ITS)的开发研究热潮中 ,相当数量的产品已经面世并投入使用。绝大多数汽车生产厂家和电子生产厂家都提供汽车导航系统。该系统通过设在都市地区的控制中心所传送的调频无线电波、路边的光导装置及无线电信标台接收交通信息。贯?
Japan’s automotive and electronics industries are currently involved in a research and development craze for Intelligent Transport Systems (ITS), with a significant number of products available and in use. Most car manufacturers and electronics manufacturers provide car navigation systems. The system receives traffic information via FM radio waves, roadside light guides and radio beacons transmitted by a control center located in a metropolitan area. Through?