空气界面多重触屏的技术。
水下声信号在水-空气界面会引起表面波动而对打在水表面的激光进行调制。
The underwater acoustic signal can cause surface wave motion at the water-air interface and hence modulate the magnitude of the laser beam falling on the water surface.
有了肌肉控制的电脑界面，玩“空气吉他英雄”再也不需要鼠标和游戏手柄了这样的外设了，只要你摆出姿势就能玩游戏。
Air Guitar Hero Muscle-based interfaces could eliminate a lot of the peripherals we use to control computers, like mice and video game controllers, instead taking commands from our gestures.
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