| 单词 | thermionics |
| 释义 | thermionics (once / 11819311 pages) n WORD FAMILY thermionics n the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes) Hyper electronics the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices |
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英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。