Frequently it has a hinged glass cover to hold copy flat, and may have a removable section in which a transparency holder can be positioned for back-lighting illumination.

一般都备有铰链着的玻璃盖面，以把稿件夹平。有些更可以换上透明片架，在后面打灯照明。

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Dr Hunter is now the boss of LED Lighting Fixtures, a firm based in North Carolina that is working to make LEDs more suitable for use in general illumination.

Hunter博士现今是LED Lighting Fixtures的老板，位于北卡罗莱纳州，公司为了制造出更适合普通照明用的LED而奋斗。

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Edison was not the first person to have thought of using electricity for illumination: cumbersome electric arc-lighting had been employed in public Spaces and factories for a number of years.

爱迪生不是第一个想到用电照明的人；许多年来，笨重的电弧灯就在公共区域和工厂投入使用。

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The Aura HD has other best-in-class features, like remarkably even lighting (the illumination of the lighted Kindle and Nook models is splotchy, by comparison) and, thanks to a zippy 1-GHz processor, faster page-turns and a more responsive touch-screen.

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The ME179KFETSR also features smart yet practical details like best-in-class LED lighting that rarely requires replacement yet offers superior cooktop illumination and Ceramic Enamel interior for easy cleaning.

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In addition, the Mood Lamp creates a soft, environment-enhancing lighting effect, while the Smart Sensor analyzes the amount of illumination being provided by ambient light sources.

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