With the increase of the quantity and types of digital information and the variance of metadata formats, campus net are confronted with the problems of how to store, manage those information.
随着信息资源和数字资源类型增多，校园网络建设面临如何存储和管理这些数字资源的问题。
Digital library is a new concept and a new technology. The types of data include multimedia information such as text, voice, image and video, etc.
数字图书馆是一种新概念和新技术，数据类型包括文本、语音、图像、视频等多媒体信息。
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