真正代表一个 .aspx 活动页面的类是从 Page 派生的一个类的实例；因此，它能够调入受保护的方法。

The actual class that represents an .aspx page in action is an instance of a class that derives from Page; hence, it can call into protected methods.

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该文在子镜头的关键帧提取方法基础上，利用模糊c -均值聚类算法，实现了一种基于子镜头聚类的情节代表帧选取方法。

An algorithm for selecting episode representation frames by using an approach of key frame extraction based on multiple characters and C-Mean fuzzy clustering is detailed in the paper.

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