指定一组基本命令，用于交互式搜索检索系统数据和处理系统预期的响应类型。供信息检索系统的设计者和用户使用，包括基于计算机的图书馆目录和基于计算机的数据库访问和搜索设施。

Specifies a basic set of commands for the interactive search of retrieval systems data and the types of response expected from the processing system. Is intended for use by designers and users of information retrieval systems, including computer-based library catalogues and computer-based database access and search facilities.