科学家还不能确定潜在的趋势——但他们说极端运动改善心脏状况可能有所帮助。

Scientists are not yet sure what is behind this trend - but they say changes to the heart during extreme exercise could contribute.

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虽然这可能是一个极端的例子，在镜头的运动练习甚至只有几厘米可能导致明显的视差，如果附近有场景中的物体。

While this may be an extreme example, in practise even camera movements of only a few centimeters may result in visible parallax if there are nearby objects in the scene.

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最极端的假设是，如果一个物体运动达到光速，那么其时间就会完全停止。

The extreme situation would be if an object could move as fast as the speed of light its time would be completely halted.

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