GPRS was first applied in railway traffic control in our country,application of train-land information interaction based on GPRS would be very extensive in future.

• 通用分组无线业务(GPRS)在我国首次应用于铁路列调,在铁路信息化快速发展的大趋势下,GPRS在铁路车地交互中的应用将是十分非常广泛的。