This limitation derives from the fact that most touch-screen displays today use a single sheet of glass as the top layer.

这一局限性源自这样一个实际情况，那就是如今的大多数触屏显示器最表层单有一片玻璃。

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A projector beams the images onto the window pane from the inside of the shop, while a thin touch foil mounted on the glass powers the touch screen.

一架投影仪从店内向窗玻璃上投射出影像，安在玻璃上的一层薄薄的触摸板使触摸屏得以运转。

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Full finger touch is needed on the screen, but the use of glass as the main material means that the screen's also very quick and easy to clean.

需要用整个手指进行触摸，但玻璃外层更容易清洁。

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The display screen for the iPhone 5 could reduce a layer of glass if the metallic layer for the touch screen is applied to the protective glass, and the result would be a thinner screen.

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In addition to features available for the Advanced Series, it features a five-inch multi-touch glass screen in a brushed-metal housing as well as a powered magnetic mount that automatically snaps in once the user holds the device close.

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The Chromebook Pixel, available for order on the Google Play store and shipping in April, features a 12.85-inch touch-sensitive Gorilla Glass screen.

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