论文部分内容阅读
太空,这个浩瀚无垠的世界,千百年来,它一直是人类最远大的梦想。直到1957年,第一颗人造地球卫星升空才划破了太空原有的寂静。
Space, the vast expanse of the world, has been the longest dream of mankind for thousands of years. It was not until 1957 that the first man-made Earth satellite was launched to space the silence of space.