现代通信网技术与发展（上）张维华上海市邮电管理局副局长总工程师上海是我国改革开放的重要中心城市，为了实现成为国际经济、金融、贸易中心之一的宏伟目标，上海市政府提出了宏伟的上海“信息港”工程发展规划。上海邮电作为信息港信息通信平台的建设者，肩负着构筑先... Technology and Development of Modern Communication Network (1) Zhang Weihua Chief Engineer, Deputy Director of Shanghai Post and Telecommunications Administration Shanghai is an important central city for China’s reform and opening up. In order to achieve the grand goal of being one of the international economic, financial and trade centers, the Shanghai Municipal Government proposed Magnificent Shanghai “information port” project development plan. Shanghai Post and Telecommunications as the information port of information and communication platform builders, shouldering the construction of the first ...