Research and practice on key technology for multi-pylon cable-stayed bridge Research and practice on key technologies of the super-spancolumn pylon cable-stayed bridge Research and practice on key technologies of electrical design for super high-rise building Research and practice on key technologies of intelligent design for super high-rise building Research and practice on key technologies of sea area grading at different spatial scales Research and practice of the super-long span stone arch bridge Research and practice on key technologies of electrical and intelligent design of exhibition buildings