排序方式: 共有11条查询结果,搜索用时 15 毫秒
11.
Subrata K. Sarkar 《Acta Astronautica》1979,6(12):1717-1725
Space communications are a successful, innovative technological model. They introduced many new and advanced technologies. The direct benefits of space communication services surpassed expectations. Also, space communications, as a steady resource, are truly a paradigm of socio-economic development. The urgent goal for all developing and developed societies is a steady-state economy. In tomorrow's society this paradigm will have a far greater influence on socio-economic life than other benefits. 相似文献