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所谓计算机检索,就是用户在检索系统网络的终端机上使用一些特定指令和检索词,以会话或对话的方式向计算机发出命令,计算机通过专门的程序对数据库进行反复的查找。查找结果既可以在终端屏幕上显示,也可以打印输出。这种方法与传统的手工检索方法相比,检索途径多,速度快,效率高,可以打破地理上的障碍和时间上的延迟,大大提高文献和情报信息的可获得性。
The so-called computer retrieval, that is, users in the retrieval system of the network terminal to use some specific instructions and terms to the conversation or dialogue mode to the computer command, the computer through a special program to repeatedly search the database. Finding results can be displayed on the terminal screen, you can print output. Compared with the traditional manual retrieval method, this method has many searching ways, high speed and high efficiency, which can break the geographical obstacles and time delay and greatly improve the availability of literature and intelligence information.