作为网络信息检索的国际标准，Z 39.50主要应用于图书馆的书目检索服务。
As an international standard defining a protocol for Internet information retrieval, Z39.50 is mainly used in the field of online bibliographic retrieval in library community.
书目数据库质量是图书馆进行信息资源检索、提供服务和开展各项业务工作的基础和保障。
The bank quality of a catalogue is the base and guarantee to carry out information retrieval, supply service and launch various professional work.
其功能是建立丰富的文献信息资源体系、形成利用便捷的书目信息检索网络、联合开展文献信息服务和信息研究与咨询服务。
Its function is building an abundant information source system, forming an accessible books and information index net, providing services in research and consulting.
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