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.

youdao

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.

youdao

这使得该设备能感知使用者任何方向的手指动作或是上下移动。

This allows it to pick up when a user moves their finger in any direction or up and down.

youdao