Fundamentals of mechatronics. Official website of Nanjing University of Aeronautics and Astronautics shows that the re-examination subject "Mechanical and Electrical Basis" includes two courses: mechanical design and modern processing technology. Nanjing University of Aeronautics and Astronautics (hereinafter referred to as China Southern Airlines), located in Nanjing, Jiangsu Province, is a comprehensive university with aerospace and civil aviation characteristics and a national key university of science and engineering directly under the Ministry of Industry and Information Technology of the People's Republic of China.