动作感应是一种便携或者固定设备（通常指IT行业产品）经过内置的软件和硬件感应来识别人体肢体动作的效果。
将于明年正式销售的Wii U拥有可触摸控制和高清显示的动作感应控制器。
Wii u, which will go on sale next year, features a motion-sensing controller with a tablet-like touch screen and high-definition graphics.
它没有内置任何动作感应，除此之外它满足了这个想象的控制器的所有硬件需求。
It doesn't have any motion sensors in it, but it has all the rest of the hardware required by this hypothetical controller.
鼠标的滚轮和ipone都可以进行动作感应，但是只有手势感应允许动作在三维空间内进行。
Beyond motion sensing, which a mouse rolling on its trackball already does handily, or iPhone pinching, gesture sensing can allow movement in three dimensions.
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