一、核心藏书保障体系是文献资源保障的前提近年来，由于出版物数量激增，价格上涨，各图书馆普遍面临着文献增长与经费短缺，文献需求与文献匾乏的两大矛盾。为了缓解这两大矛盾，维持图书馆工作的正常运转，各图书馆除了纷纷采取“保刊砍书”、“保品种减复本”、“砍高价保 First, the core collection security system is the prerequisite for the protection of document resources In recent years, due to the surge in the number of publications, prices, the libraries are generally faced with the literature growth and funding shortages, lack of literature and literature plaque two contradictions. In order to alleviate these two major contradictions and to maintain the normal operation of the library, libraries in addition to adopting “keeping books cut”, “Paul deducted copies of the species”, "cut high price insurance