常见例句Aerodynamic design of rotorcycle and research on the feasibility of its high-speed scheme[D].Nanjing:Nanjing University of Aeronatics and Astronautics,2002. Rotorcycle的气动设计及其"高速型"方案的可行性研究[D].;南京:南京航空航天大学;2002 返回 rotorcycle