The characters of surveillance video are analyzed. The abstract extraction method based on the calculation of frame's motion and the division of motion segments is proposed.
分析了监控视频的特点，提出了一种基于帧运动量计算和运动片段分割的监控视频摘要提取方法。
These characters provide experimental evidence for division of species and systematic evolution relationships of Polygonatum Mill .
上述特征为黄精属植物种的划分及系统演化关系的探讨提供实验证据。
The status and pollution characters of soil, irrigation water and air quality in agricultural producing area were analyzed, and a flow chart of division for non-producing area was also given.
本文对我国农产品产地土壤、水和大气的环境污染现状进行了分析和描述，提出了禁产区划分的技术程序。
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