Complex sentence: In 1982, after he earned a bachelor's degree in Modern Mechanics from the University of Science and Technology of China Liu started his research in aerodynamics and worked as a designer at the Aviation Industry Corporation of China in Shenyang.
Split into simpler sentences: In 1982, Liu received a bachelor's degree in modern mechanics from the University of Science and Technology of China. He gained employment in research and design in aerodynamics at the Aviation Industry Corporation of China in Shenyang.