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信息高速公路的最大特点是信息交流的双向性。即用户可以从网络中获取信息,同时还可以把自己的信息通过网络向外输出,这就意味着网络上的其他用户又可以通过网络获取某一使用者的秘密。在信息就是生命的今天。用户怎样才能在享用这种高科技成果
The most prominent feature of the information highway is the two-way exchange of information. That is, users can get information from the network and export their own information through the network at the same time, which means that other users on the network can obtain the secrets of a certain user through the network. In the information is life today. How users can enjoy this high-tech achievements