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随着计算机技术、通信技术的迅猛发展和社会经济需要的巨大刺激,网络化在全球范围内已成为一股强劲的发展潮流。 现代信息网络是一种全方位的信息服务网络,是由现代通信、电子计算机、信息资源三者各自网络化及其相互渗透和有机结合而形成。它的主要特征为数字通信替代模拟通信,微机替代主机,电子信息替代人工信息,以及在此基础上形成的“三网合一”的发展潮流。这场名符其实的网络革命,不仅推动了原有信息网络的根
With the rapid development of computer technology and communication technology and the huge stimulation of social and economic needs, networking has become a strong trend of development all over the world. Modern information network is a kind of omni-directional information service network, which is formed by the network of modern communication, electronic computer and information resource and their mutual penetration and organic combination. Its main features are digital communications instead of analog communications, computer replacement host, electronic information to replace artificial information, and on this basis, the formation of the “triple play” trend of development. This truly Internet revolution not only promoted the root of the original information network