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DC—ROM以其高密度、低成本、保存期长等优点在图书书情报界发挥着越来越大的作用,已成为国际联机检索强有力的竞争者。本文以NTIS数据库为例,阐述了CD—ROM在科技文献检索及情报研究方面的潜力。指出,CD—ROM的开发利用,不仅能开拓文献检索的服务渠道,而且对研究国外数据库结构,文献采集策略及方针也极为有利。
DC-ROM plays an increasingly important role in the library and book information industry with its advantages of high density, low cost and long shelf life. DC-ROM has become a powerful competitor in international online search. This article takes NTIS database as an example to illustrate the potential of CD-ROM in scientific literature retrieval and intelligence research. It is pointed out that the development and utilization of CD-ROM not only can open up the service channel of document retrieval, but also is very beneficial to the research of foreign database structure, document acquisition strategy and policy.