energy band

• 能带

energy band的用法和样例：

例句

1. The electrons in the upper band eventually release energy, thereby emitting photons.
   上层能带中的电子最后会发射光子释放能量。
2. The highest-energy band containing electrons is called the valence band, and the next higher one is the conduction band.
   填有电子而能量最高的能带称为价带，相邻的更高能带称为导带。