随同着网络技术和多媒体技术的飞速发铺，如何维护多媒体信息和数字产品安全的题目已经成为世界各国极为关注的主要课题。
With the fast development of internet and multimedia, how to protect the information of multimedia and digital products has already been an important issue cared by all the countries in the world.
本文在对术语现状分析的基础上，提出了利用数据库和网络技术实现对术语维护与更新管理的方法。
The paper analyses the present situation of terminology and puts forward carrying on the maintenance and renewal the terms using the database and the Internet technology.
网络技术的飞速发铺对多媒体的维护提出了较高的请求，信息隐藏学就是跟着这种请求而发生的。
With great development of the network technology, the protection of multimedia is more and more important, and the information hiding technology developed.
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