另外，它还被设计为触摸屏以及图形指南的简单操作方式，因此使用者所需培训也十分有限。
It is also designed to be simple to operate using a touch-screen and pictorial instructions, so the need for training is minimal.
InfoQ：很多移动设备都有数种输入方式，包括触摸屏，有时还需要多个手指进行操作。
InfoQ: Many mobile devices have input methods that include touching the screen, in some cases with more than one finger.
由于液晶表示周围所发出的超声波因被手指所遮拦从而达到可以进行各种操作的触摸屏方式。
As the liquid crystal means the touch screen model what can achieve a variety operation through obstructing the ultrasound around by fingers.
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