论文部分内容阅读
美航宇局对通信卫星研究前景有很具体的规划,目标是在本世纪末,使其通信卫星的研究满足全球通信的需要,并在该领域占领世界市场。
The United States Aerospace Agency has a very specific vision of the future of communications satellites, with the goal of bringing its communications satellite research to the needs of global communications by the end of this century and capturing the world market in this area.