在GPS地面车辆导航系统中，需要将GPS接收机收到的数据在电子地图中实时地显示出来。
In ground vehicle navigation system with GPS, it is necessary that data in GPS receivers be displayed on the digital road map in real time.
在GPS地面车辆导航系统中，需要将GPS接收机收到的数据在电子地图中实时地显示出来。
In ground vehicle navigation system with GPS, it is necessary that data in GPS receivers be displayed on the digital road map in real time.
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