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二、联机情报数据库1.情报数据库及其主要类型情报数据库是计算机阅读型信息或数据的集合。数据库生产者以磁带形式提供的情报数据库是书目、手册、统计资料、百科全书、词典、报纸信息、法律文书等等的计算机阅读版。联机检索系统购买回磁带版情报数据库,经过格式转换,抽词索引,装入主计算机系统的海量磁盘贮器,形成联机情报数据库.情报数据库在学科范围、信息记录格式、年限上各不相同。在“联机数据库指南”
Second, the online intelligence database 1. Intelligence database and its main types of intelligence database is a collection of computer-readable information or data. The database of databases provided by database producers in the form of tapes is a computer-readable version of bibliographies, manuals, statistics, encyclopedias, dictionaries, newspaper information, legal instruments and the like. Online retrieval system to buy back the tape version of the intelligence database, after format conversion, extraction word index, loaded into the host computer system mass disk storage, the formation of online intelligence database .Information subject in the scope of information, information recording formats, duration varies. In the “Online Database Guide”