abstract
1 introduction
2 national demands and significance of space science, applications and technology in 2050
2.1 major problems confronting the development of china in 2050
��2.2 strategic impact of space science, applications and technology on the development of china
3 trends of space science, applications and technology and development strategies for space powers
��3.1 development strategies for space powers and features of global space activities
��3.2 trends of global space science, applications and technology
4 research status, advantages and disadvantages of china in space science, applications and technology
5 development strategy and roadmap for space science, applications and technology to 2050
��5.1 guiding principles
��5.2 vision
��5.3 strategic goals and roadmap to 2050
����5.3.1 strategic goal 1 (strategic goal of space science) and the roadmap
����5.3.2 strategic goal 2 (strategic goal of space applications) and the roadmap
����5.3.3 strategic goal 3 (strategic goal of space technology) and the roadmap
����5.3.4 mutually dependent relationships of requirements and support among space science, applications and technology
����5.3.5 the general roadmap for space science, applications and technology
6 conclusion
references
epilogue