本标准规定了ANSI/NISO Z39的使用。50-2003年图书馆应用。它指定了Z39。50名客户和Z39。50跨在线图书馆目录搜索和检索的服务器行为。本标准中包含的规范使用了镀液剖面:A Z39。50规范库应用和资源发现（发布2）作为其基础。本标准的一致使用将提高Z39之间的互操作性。50个实现。本标准于2015年1月9日转换为稳定维护

This standard specifies the use of ANSI/NISO Z39.50-2003 in library applications. It specifies Z39.50 client and Z39.50 server behavior for search and retrieval across online library catalogs. The specifications included in this standard useThe Bath Profile: A Z39.50 Specification for Library Applications and Resource Discovery (Release 2)as its foundation.Conformant use of this standard will improve interoperability between Z39.50 implementations.This standard was converted to stabilized maintenance January 9, 2015