并列题名：Rchitecture and key technologies of cloud OS Rchitecture and key technologies of cloud OS 并列题名：Architecture and key technologies of identifier network Architecture and key technologies of identifier network 并列题名：Basic ideas and key technologies of the smart grid 并列题名：Big data architecture & key technologies in 5G era Rchitecture and key technologies of industrial big data fusion Big data architecture & key technologies in 5G era Preparation principle and key technologies of vehicle biofuel 并列题名：Standards and key technologies of narrow band IoT (NB-IoT)