论文部分内容阅读
美意拟建高轨道全球卫星通信系统美国洛克希德－马丁公司等同意大利电信公司决定合作投资３５亿美元，建立一个由９颗新一代卫星组成的高轨道全球卫星通信系统，以向全球用户提供多媒体服务、互联网高速接入以及私人公司数据网络服务。这项工程将分为两个阶段。第一阶段于...
The United States intends to build a high orbit global satellite communications system The United States Lockheed Martin equivalent to Telecom Italia decided to invest 3.5 billion U.S. dollars to establish a high-orbiting global satellite communications system consisting of 9 next-generation satellites to provide multimedia Service, high-speed Internet access and private company data network services. The project will be divided into two phases. The first stage in ...