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目前,美国图书馆领域最热门的话题是“信息高速公路”.为了实现“信息高速公路”计划,必须有两个重要因素,一是有足够宽的频带,供传送文字、数据、声音、图像、图形;二是合乎需要的信息.图书馆正是在此领域内起作用的成员之一,它必须具有承担提供信息和促进人们发现与利用这些信息的功能.一、Internet与联机检索有人认为Internet是美国信息高速公路的主干线,被称之为网络之网.它主要用来进
At present, the hottest topic in the US library field is the “information superhighway.” There are two important factors that must be fulfilled in order to realize the “information superhighway.” First, there is a sufficiently wide frequency band for transmitting texts, data, sounds, images , Graphics and the second is the desirable information library is one of the members in this field, it must have to undertake to provide information and to promote people to discover and use these information functions.A Internet and online search Some people think The Internet is the backbone of the U.S. information superhighway and is referred to as the Internet.