发光二极管 发光二极管 发光二极管( 发光二极管(LED LED)是一种能将电能转换成光能的半导 )是一种能将电能转换成光能的半导 体器件。当有正向电流通过时,发光二极管就会发光。
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如世博会的照明全面采用半导体照明( 如世博会的照明全面采用半导体照明(LED LED),既不减少亮 ),既不减少亮 度又节省能源百分之九十;安徽馆的建筑和装饰大量采用了 度又节省能源百分之九十;安徽馆的建筑和装...
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LED LED Light Emitting Diode 发光二极管
lead-led-led 原形
ee-led edge-emitting led 边发射发光二极管
After the acquisition, from the LED lighting research to the production of LED, LED lighting development and its application development, Philips has the whole industry chain in hand.
收购完成后,从LED照明的研究到LED的生产、LED照明设备的开发以及其应用的开发,飞利浦已将整条产业链握在手中。
The arrests led to fighting. And the fighting led to a final battle in which the army defeated the Indians completely.
VOA: special.2010.04.08
And the idea was that gravity did work on the water and falling, and that work led to the generation of heat.
焦耳的想法是,重力对水,做了功。
So he came up with the ideas that led to the idea of Lewis structures in the very early 1900's.
他就提出了这个想法,进而发展出了路易斯结构在二十世纪初。
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