| 单词 | thermionics |
| 释义 | thermionics The branch of electronics concerned with the study and design of devices based on the emission of electrons from metal or metaloxide surfaces as a result of high temperatures. The primary concern of thermionics is the design of thermionic valves and the electron guns of cathode-ray tubes and other devices |
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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。