随着数据库技术的飞速发展以及数据库管理系统的广泛应用，人们积累的数据越来越多。
With quick development of database technology and wide application of database management system, the data that people accumulated are getting more and more.
随着数据库技术的飞速发展，数据库不仅在数量上快速增长，规模也越来越大。
With the development of database technology, the databases have increased not only in quantities but also in scales.
此外，视频流的分析、图像数据库技术，以及图像、视频的水印技术也极具发展前景。
Besides, video stream analysis, image database technology and video watermark also possess bright application prospect.
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