一种利用微型电子计算机,通过通讯线路与设置在北京服务处的 UNIDAS 文献检索系统联机检索已在本所获得成功,自去年十一月投入运行,经过四个月的为用户情报检索服务证明,检索速度快、效果好,可以在科研列题、新产品新技术开发、专利申请和申报发明奖励等工作方面发挥很好的作用。文献检索,从广义上讲即情报检索。就是根据用户的要求,按照一定的标引系统(如分类号、主题词等)从预先存储着的大量文献或情报资料中,查找出与用户需求相符的文献或情报资料。情报资料用手工方式存储和检索,叫做手工检索;用电子计算机 A micro-computer using the communication line and set up in the Beijing Service UNIDAS document retrieval system online retrieval has been successful in this year, put into operation since last November, after four months of user intelligence service to retrieve evidence, The retrieval speed is fast and the effect is good. It can play a very good role in the research topics, the development of new products and new technologies, the patent application and the declaration of invention awards. Document retrieval, in a broad sense, that is, information retrieval. Is based on the user’s request, according to a certain indexing system (such as classification number, keywords, etc.) from a large number of pre-stored documents or intelligence information to find out the user’s needs consistent with the literature or intelligence information. Intelligence data is stored and retrieved by hand, called manual retrieval; using a computer