目前,各级地方图书馆、高校图书馆已相继完成网络化、信息化建设,图书馆服务的范围逐渐从局域网拓宽到教育网、业务专网、地区专网乃至互联网。各级图书馆大多可通过其门户网站、办公自动化系统、流通管理系统、自建文献数据库及各种外采文献数据库和文献搜索引擎等应用系统,为用户提供全方位的服务。但是,目前图书馆区域合作与资源共享还存在着诸多问题:一是经费短缺,文献信息资源购置费用较高。近年 At present, the local libraries at all levels and the university libraries have successively completed the network and information construction. The scope of the library services has gradually broadened from the local area network to the education network, the business private network, the regional private network and even the Internet. Most libraries at all levels can provide users with a full range of services through their portal sites, office automation systems, distribution management systems, self-built literature databases and various application databases such as document databases and document search engines. However, there are still many problems in the current regional cooperation and resource sharing of libraries. First, there is a shortage of funds and the acquisition of documentation and information resources is expensive. in recent years