本公开内容包括涉及改变视频回放速度比率的系统和技术。

The invention provides a system and technology for changing speed rate of video playback.

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加速度：速度变化的比率。

Acceleration: the rate of change of velocity.

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速度是距离的改变与时间之间的比率。

Speed is the rate between the change of distance and time.

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速度是距离的改变与时间之间的比率。

Speed is the rate between the change of distance and time.

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