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
- pressure drop of gas-liquid two-phase flow
- pressure drop oscillations instabilities
- pressured thin layer chromatography
- pressure effect
- pressure effect of critical behavior
- pressure effect on superconductivity
- pressure ensemble
- pressure-enthalpy diagram
- pressure equation
- pressure equilibrium
- pressure exponent
- pressure-fed liquid rocket engine
- pressure filter
- pressure filtration of mineral processing products
- pressure fluctuation of water turbine
- pressure fluctuation test in wind tunnel
- pressure formula
- pressure function
- pressure-gas-type load switch
- pressure gradient
- pressure gradient correction factor
- pressure gradient drift
- pressure gradient force
- pressure group
- pressure history