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以中国科学院为核心的中国科技网。连接了中科院京内外几十个分院的区域网及分散在其他城市的共约120个研究所，以及几十个中科院以外的科技单位，成为中国科技界的专网。目前有两条国际信道，一条从中国科学院计算机网络信息中心（CNIC）连到美国，速率为64kbps，不久将升级到
Chinese science and technology network with CAS as the core. There are about 120 research institutes connected to dozens of branch offices inside and outside the Chinese Academy of Sciences and other research institutes scattered in other cities, as well as dozens of scientific and technological units other than the Chinese Academy of Sciences. There are currently two international channels, one connected from the CNIC of the Chinese Academy of Sciences to the United States at a rate of 64 kbps and will soon be upgraded to