| 单词 | excess electron |
| 释义 | excess electron An electron in a semiconductor that is not required in the bonding system of the crystal lattice and has been donated by an impurity atom. It is available for conduction (excess conduction ) |
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物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。