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国际移动卫星的新一代＠庞之浩国际移动卫星的新一代庞之浩１９９６年，３颗国际移动卫星－３（原名国际海事卫星－３）分别进入轨道工作，１９９７年又陆续发射了几颗。它标志着第３代国际移动卫星开始入主天宫。在使用移动通信卫星之前，人们广泛采用短波通信，但这种方式通带...
A new generation of international mobile satellites Pang Zhihao, a new generation of international mobile satellites Pang Zhihao In 1996, three International Mobile Satellites (formerly known as Inmarsat-3) entered orbit respectively, and several were launched in 1997. It marks the beginning of the 3rd generation of international mobile satellites into the Temple of Heaven. Before the use of mobile communications satellite, people widely used short-wave communications, but this approach pass ...