It is indispensable for the digital library to manage the virtual patrons with authentication and authorization and to probe the laws of their access to and use of digital resources.
认为数字图书馆有必要通过用户认证和访问授权的机制对虚拟用户进行管理，并研究他们访问和利用数字资源的规律。
This paper puts forward the concept of virtual patrons of the digital library and analyzes their characteristics in utilizing the information resources.
文章提出了数字图书馆的虚拟用户概念，分析了虚拟用户利用信息资源的特点。
Virtual library is a very efficient way to organize Internet resources.
虚拟图书馆是因特网信息资源的有效组织形式。
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