Research and practice of rotary steerable drilling system Research and practice of electric bidding system Research and practice on urban transportation planning system Design and practice of intelligent driving system Reasearch and practice on intelligent transportation system 并列题名:Research and practice of electric bidding system 并列题名:Research and practice on urban transportation planning system Engineering mechanics of rotary steerable drilling 并列题名:Reasearch and practice on intelligent transportation system Design and practice of edge computing system