Ph.D. graduates majoring in mechanics from the School of Aeronautics and Astronautics, Sun Yat-sen University, can engage in aviation-related research, technology development, engineering design, testing, manufacturing, use, maintenance and teaching. After graduation, I mainly worked in new energy, aerospace, instrumentation and other industries. After graduation, I mainly worked as a sales engineer, a system engineer and a technical support engineer. Mainly study the basic knowledge and skills of avionics system and aircraft design and manufacturing, involving mathematics, physics, computer, material science and other fields, and analyze and design the overall structure and system of aircraft.