并列题名：Operational theories and key technologies of rail transit networks Operational theories and key technologies of rail transit networks 并列题名：Operational theory and methodology of urban rail networks Operational theory and methodology of urban rail networks 并列题名：Architecture and key technologies of identifier network Fundamental theories and key technologies of digital manufacturing 并列题名：Basic ideas and key technologies of the smart grid Architecture and key technologies of identifier network Service security theory and key technologies for ubiquitous network 并列题名：Evolution mechanism and generation method of urban rail transit network