历史的时针已经步入 2 1世纪 .2 1世纪高科技迅猛发展 ,高校图书馆将面临新的挑战 ,信息与文献的产量正以爆炸式的速度大幅度增长 ,书刊价格的不断上涨 ,而购书经费又十分有限 ,导致文献保障率越来越低 ,使任何一个图书馆都无法再依赖“大而全”或“小而全”的模式去满足读者的 The hour of history has already entered the 21st century.2 With the rapid development of high technology in the first century, the university library will face new challenges. The output of information and literature is rapidly increasing at an explosive rate. The price of books and books keeps rising. With very limited funding, the document security rate is getting lower and lower so that any one library can no longer rely on the “big and all” or “small but complete” model to meet the needs of readers