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虚拟文献从狭义上理解是区别于实体文献的网络信息资源,广义的虚拟文献可以理解为除网络信息文献外,还包括非本馆馆藏但可以通过资源共享方式和传递服务得到的文献。本文所述地方文献的虚拟分布,主要是指网络地方文献资源的分布情况和特点。
In a narrow sense, virtual literature is a network information resource that is different from substantive literature. The generalized virtual literature can be understood as a document that is not a museum library but can be obtained through resource sharing and delivery service besides network information documents. The virtual distribution of local literature mentioned in this paper mainly refers to the distribution and characteristics of local literature resources in the network.