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在过去30年时间里,信息技术飞速发展。1972年 Dialog 开通商业化服务,之后其业务不断扩展,现已成为最大的数据库检索服务提供商。1973年,Lexis Nexis 也相继开通。外部环境的变动极大地改变了图书馆和信息机构的面貌,信息技术在图书馆诸如编目、流通、文献传递、馆际互借、参考咨询、用户培训等业务流程中得到广泛的应用。近几年来,网络通讯技术迅速兴起,用户的信息需求发生巨大变化,这给图书馆提出巨大的挑战,印刷品借阅量和
In the past 30 years, the rapid development of information technology. After Dialog opened its commercial service in 1972, its business expanded and became the largest database retrieval service provider. In 1973, Lexis Nexis also opened one after another. Changes in the external environment have greatly changed the face of libraries and information agencies. Information technology is widely used in business processes such as cataloging, distribution, document delivery, interlibrary loan, reference and user training in libraries. In recent years, the rapid rise of network communication technology, users of the enormous changes in the information needs, which presents a huge challenge to the library, print volume and