近年来,一些国家正在调整其航天活动的政策和长期规划。目前尚处于调整的过程中,各国还没有形成完整的发展政策和规划。因此,要准确地预测2030年之前世界航天技术的发展是极其困难的。但根据近几年各国航天活动的发展和变化,可对世界未来的航天活动作如下简要的展望。 In recent years, a number of countries are adjusting their space activities policies and long-term plans. At present, the process of adjustment is still under way. All countries have not yet formed a complete development policy and plan. Therefore, it is extremely difficult to accurately forecast the development of the world’s aerospace technology before 2030. However, according to the development and changes of space activities in various countries in recent years, a brief outlook on the future space activities in the world can be made as follows.