| 单词 | energy gap |
| 释义 | energy gapnounphysics the difference of energy between the bottom of the conduction band and the top of the valence band of the electrons in a crystalline solid. For values below about 2eV the substance is considered to be a semiconductor whilst for higher values it is considered to be an insulator Words nearby energy gapenergy conversion, energy crop, energy density, energy drink, energy efficiency ratio, energy gap, energy level, energy obesity, energy-smart, Energy Star Program, enervate Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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