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介绍欧美国家联合目录的发展概况,尤其是集中式联机联合目录和分布式虚拟联合目录的最新进展,并提出我国虚拟联合目录的发展思路。
This paper introduces the development of joint catalogs in Europe and the United States, especially the latest development of centralized online joint catalogs and distributed virtual joint catalogs, and puts forward the development ideas of our virtual joint catalogs.