c#采用sharpgl显示地球、飞行器以及粒子流，通过键盘WSADQE控制视景的观展角度，通过1234控制四个喷管粒子的喷射。-c# using sharpgl show the Earth, spacecraft and particle flow, controlled by the keyboard WSADQE visual angle of view of development, by 1234 the four control injection nozzle particles.