Use normal glass cleaner or a soft cloth to wipe down the unit casing.

使用适合的玻璃清洁剂和软布抹洗。

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Normal glass will slough off silicon that may stimulate high levels of production.

玻璃可能会使刺激高水平生产量的硅脱落。

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This scheme was applied to the nondestructive test for some phase objects such as normal glass and organic glass, and satisfactory results were achieved.

利用此方案对一些位相物体(如普通玻璃和有机玻璃)作了无损检测实验，得到了较满意的实验结果。

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Today, the Samsung Advanced Institute of Technology announced that its engineers have successfully created "single crystalline Gallium Nitride on amorphous glass substrates" -- an achievement that would allow the manufacturer to produce jumbo-sized LEDs from normal glass, including window panes.

ENGADGET: Samsung breakthrough could turn your window pane into a big ol' LED

The company said the screen on its Glass headset actually sits above the wearer's normal field of vision, not unlike a car's sun visor, and is meant for quick glances, not prolonged viewing.

CNN: Lawmaker: Google Glass and driving don't mix

Google Glass (note, not glasses) looks like a fairly normal pair of eyewear.

FORBES: Google Glass And Other Tech Stuff I Don't Need