理学 多媒体检索 释 video search 视频搜索 在汇集互联网众多在线视频播放资源而形成的庞大视频数据库中，通过对海量的非结构化的视频数据进行结构化分析，提取视频内容的特征（包含语义特征），并在此基础上实现从内容上对视频进行检索的方法。
数据库 数据库新技术 释文 video search 视频搜索
- tractrisoid
- tractrix
- tractrix evolute
- tractrix radial curve
- tractroid
- Tracy
- Tracy Spencer
- Tracy Widom distribution
- Tracy-Widom distribution
- trade
- Trade Act of 1974
- Tradeand Labour Congress of Canada
- Trade and Tariff ACT of 1984
- trade balance of coal
- trade balance of crude oil
- trade balance of energy
- trade barriers of aquatic products
- trade books
- trade competitiveness index
- trade credit
- trade dependence
- Trade Expansion Act of 1962
- Trade Facilitation Agreement
- trade index
- trade in education services