它可以辨别用户手指挤压的位置，但是一次只能感知一只手指在一个位置的挤压力度。
It can tell the position on which your fingers are pressing, but it can only do force sensing for one position — one finger — at a time.
而这一点触屏是不具有的，触屏可以感受触摸，但无法感知触摸力度。
That's missing on touch screens, which can sense a touch, but not the force with which it is applied.
莱文表示，该感应器可以区分用户按下的按键和力度，从而给出反馈帮助创造感知行为。
The sensor can tell which keys you're pressing and how hard, and apply feedback that may help create a sensation of movement, Levin says.
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