卫星走入中国人的生活现代通信卫星的最大优点在于：它能够以低成本在全球的各个角落实现即时通信。在传统的通信方式中，即使是较为先进的光缆技术，也需要在两地之间铺设光缆线路，设施建设会耗费大量的财力和人力。如果两地之间距离遥远，或者遇到高山大河，更是建设者... Satellite into Chinese life The greatest advantage of modern communications satellites is that it enables instant messaging at all costs in the world. In the traditional communication mode, even the more advanced optical cable technology requires the laying of optical cable lines between the two places, and the construction of facilities will consume a large amount of financial resources and manpower. If the distance between the two places is far, or encounter the mountains, it is more builders ...