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1983年底,水利电力部科学技术情报研究所在邮电部、北京电信管理局和中国科技情报研究所等单位的协助下,安装了一台与欧洲空间组织情报检索系统联机的计算机检索终端。他们在今年将正式向全国水利电力系统所属单位及其它部门的用户提供联机情报检索服务。该所国际联机情报检索的业务项目有三种:联机追溯检索,联机定题检索和联机定购原文。联机追溯检索是指用户坐在终端旁查找指定时间范围内的文献线索,一般是从现在追溯到某一
At the end of 1983, with assistance from the Ministry of Posts and Telecommunications, the Beijing Telecommunications Administration Bureau, and the China Institute of Science and Technology Information, the Institute of Scientific and Technical Information of the Ministry of Water Resources and Electricity installed a computer search terminal linked to the European Space Information Search System. They will formally provide on-line intelligence retrieval services to users of units of the national water conservancy and electric power system and other departments this year. There are three kinds of business items for the international online information retrieval: online traceability retrieval, online online retrieval and online ordering. Online retrospective retrieval refers to the user sitting at the terminal to search for literature clues within a specified time range, generally from now to a certain