随着计算机的广泛应用以及Internet的不断普及,图书馆信息资源电子化、数字化的速度越来越快。很多高校图书馆不仅大量购进电子文献,而且也在将自己的特色馆藏数字化。不少图书馆中的数字化资源都是以T B为单位的海量信息。同时,存储技术也在发生着革命性的变化,这种变化主要体 With the widespread application of computers and the popularization of the Internet, the information resources of libraries are digitized and digitized faster and faster. Many university libraries not only purchase large quantities of electronic documents, but also digitalize their own special collections. The digital resources in many libraries are massive amounts of information in T B. At the same time, storage technology is also undergoing a revolutionary change, the main body of this change