iPhone 4的陀螺仪则支持更多动作感知功能，比如跟踪方向、速度和旋转等。

And in the iPhone 4, a new gyroscope allows for additional motion-sensing capabilities, too, like the ability to track orientation, velocity and rotation.

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拥抱的持续时间大约跟人类许多其他动作及神经过程需要一样多的时间。这就证实了一个假说，即在我们整个生命进程中，我们感知现实状况是在一连串的3秒内。

A hug lasts about as much time as many other human actions and neurological processes, which supports a hypothesis that we go through life perceiving the present in a series of 3-second Windows.

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尽管自然界中的大部分蜘蛛都只能看到明暗强度和动作的变化，但是Web spider却可以使用很多种协议来看和感知。

While most spiders in nature can see only light-dark intensity and movement changes, Web spiders can see and feel using many types of protocols.

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