CLASSNUMBERG253.1当今,电子化、数字化信息和高速信息网络的发展使学术交流经历着又一次重大革命性变化,使学术交流的“正式”和“非正式”形式逐渐统一起来,信息使用者和生产者的区别逐渐模糊,时空和许多客观条件对学术交流和研究工作的限制逐渐淡...
The authors discuss six relationships concerning collection development, such as value and need, collection and service, acquisitions and cooperative acquisitions,purchase of documents and service of document purchasing, printed documents and electronic documents, as well as the future of electronic information and the present requirements of readers.