Keyboard based on opticalrecognition mechanism that enables the user to tap on the projected keys, while producing real tapping sounds.
配备视觉识别装置，用户可以在激光投影的键盘上作业，在敲击时还会模拟出相应的声音。
2
There's no optical character recognition though -- what you get is a bitmap.
不过没有进行光学字符识别 —— 您得到的是位图。
3
His credentials stem from being a pioneer in various fields of computing, such as optical character recognition – the technology behind CDs – and automatic speech recognition by machine.