The url attribute of the <media:player> elements stores a URL for the video player.

<media:player> 元素的 url 属性保存视频播放器的 URL。

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Then the decision tree and class association rules mining are used on the video attribute database to extract a decision tree classification rule set and a class association rule set respectively.

然后分别使用决策树、分类关联规则等技术对视频属性数据库进行数据挖掘，提取出决策树分类规则集和分类关联规则集；

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And has established a union road ecology landscape attribute data and the spatial data road landscape video frequency database management system in this foundation.

并在此基础上建立了一个结合公路生态景观属性数据和空间数据的公路景观视频数据库管理系统。

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Another key attribute of the 6620 is that can record up to 10 minutes of video.

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