【摘要】 网络环境改变了图书馆的资源结构,同时也改变了用户利用图书馆的方式。基于网络的多媒体数据库检索帮助系统,采用目录式层次结构,通过数据库的概述、检索技术、检索方法、个性化服务、检索实例几个方面揭示数据库帮助信息,系统集声音、视频、幻灯、动画等多种媒体于一身,并具有实时动态交互功能,为网络环境下开展用户教育提供了一种新方式。更多还原

【Abstract】 The network environment has changed the structure of library resources,but also changed the way of users to use the library.Using network-based multimedia database retrieval help system,directory-based hierarchical structure,through an overview of the database,search techniques,search methods,personalized service,retrieval instances,we reveal the database help information.The system integrates voice,video,slides,animation and many other kinds of media,and has real-time dynamic interactive features,and provides a new way to carry out user education in the network environment.更多还原