航天科技是第三次科技革命的重要标志之一,在过去的50多年里,世界航天科技在发射人造地球卫星、载人航天、发射航天探测器、建立宇宙空间站等四大领域取得了重大突破,为人类探索宇宙的奥秘积累了许多丰富的经验和知识,也为航天科技的进一步发展奠定了坚实的基础。正如美国航天战略专家乔安·约翰逊·弗 Aerospace science and technology is one of the important symbols of the third scientific and technological revolution. Over the past 50 years or so, the world’s space science and technology has made major breakthroughs in the four major fields of launching man-made earth satellites, manned spaceflights, launching space probes and establishing a space station Has accumulated a wealth of experience and knowledge for the exploration of the mysteries of the universe and laid a solid foundation for the further development of space science and technology. As Jonathan Fowler, a U.S. space strategy expert,