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This scheme has been put into operation in Shanghai, Changsha and other subway lines respectively, using advanced AVS, AVS+ wireless digital coverage system solutions and wireless multimedia solutions to provide real-time digital TV news programs, entertainment, knowledge and list operation, subway service information, advertising and provide advertising multimedia services for subway passengers and related personnel in the station, car, channel etc. At the same time, the use of advanced interactive return technology for operators to provide a new smart transportation operations program. In addition, the technology is also operating in the BRT bus system in Urumqi, providing digital multimedia services to bus passengers.