论文部分内容阅读
国庆节期间,两位同学去北京游览,在北京东城区“蒋宅口”等候3路快速公交车,突然在该站发现一块车辆到达时间电子告示牌,感到很新奇,便向站服务员请教,服务人员告知,这“时间”是太空中GPS定位导航卫星定位导航功能在公交运输系统的应用成果,运行车辆上装有GPS接收机,随时根据卫星信息定位,并协助服务员报站。两位同学听了
During the National Day, two students went to Beijing to tour, in Beijing Dongcheng District “Chiang house ” waiting for 3 bus, suddenly found a vehicle at the station arrival time electronic signage, was very strange, then to the station attendant Consult, the service staff to inform that this “time ” is the application of space GPS positioning and navigation satellite positioning and navigation functions in the bus transportation system, running vehicles equipped with GPS receiver, at any time based on satellite information to locate and assist the attendant newspaper station. Two classmates listened