长期以来 ,我国图书馆界一直奉行自给自足的办馆原则 ,于是出现了“大而全”、“小而全”的办馆原则和藏书格局。但是 ,由于人力财力等条件的制约 ,各馆只好采取“核心书刊”来优化馆藏 ,从而造成了整个图书馆界都集中地对部分“具有代表性的”文献品种进行收藏的低层次的大量 For a long time, the library community in our country has been pursuing the principle of self-sufficiency. Therefore, the principle of “big and complete” and “small and complete” has appeared and the pattern of collecting books has appeared. However, due to the constraints of manpower, resources and other conditions, each museum had to adopt a “core book” to optimize the collection, which resulted in a large number of low-level collections in which the entire library community concentrated on some “representative” varieties of literature