摘要
前言
外层空间是人类共同的财富，探索外层空间是人类不懈的追求。当前，世界航天活动呈现蓬勃发展的景象，主要航天国家相继制定或调整航天发展战略、发展规划和发展目标，航天事业在国家整体发展战略中的地位与作用日益突出，航天活动对人类文明和社会进步的影响进一步增强。
Preface
Outer space is the common wealth of mankind. Exploration, development and utilization of outer space are an unremitting pursuit of mankind. Space activities around the world have been flourishing. Leading space-faring countries have formulated or modified their development strategies, plans and goals in this sphere. The position and role of space activities are becoming increasingly salient for each active country＇s overall development strategy, and their influence on human civilization and social progress is increasing.
