实现数字图书馆中基于内容的视频检索的关键技术包括：视频数据建模、视频分割、视频索引、视频查询与浏览。
Key techniques for the realization of content-based video retrieval in digital library include video data modeling, video segmentation, video indexing, and video searching and browsing.
易使用等特点。本系统主要完成对图书销售的管理，包括添加、修改、删除，查询，打印信息以用户管理等六个方面。
This system mainly completes the selling books to student's achievement, include six aspects such as adding, modifying, deleting, searching, printing information and the customer management.
可以实现的功能包括： 根据权限的图书基本信息的查询，包括图书的作者、出版社、出版日期等基本信息；
It may realize the functions including basic information inquiry according to the jurisdiction, including books author, publishing house, publication date and some basic information;
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