前言航天是当今世界最具挑战性和广泛带动性的高科技领域之一,航天活动深刻改变了人类对宇宙的认知,为人类社会进步提供了重要动力。当前,越来越多的国家,包括广大发展中国家将发展航天作为重要战略选择,世界航天活动呈现蓬勃发展的景象。中国政府把发展航天事业作为国家整体发展战略的重要组成部分,始终坚持为和平目的探索和利用外层空间。中国航天事业自1956年创建以来,已走过60年光辉 Introduction Space is one of the most challenging and extensive high-tech fields in the world today. Space activities have profoundly changed human’s perception of the universe and provided important impetus to the progress of human society. At present, more and more countries, including the vast developing countries, regard space development as an important strategic choice and the world’s space activities are booming. The Chinese government regards the development of space and aerospace as an important part of its overall development strategy and always insists on exploring and using outer space for peaceful purposes. Since its founding in 1956, China’s aerospace industry has enjoyed 60 years of glory