“vacuum electronics”的概念、定义、翻译、参考文献-科学参考

单词	vacuum electronics
释义	vacuum electronics Encyclopedia 工学真空电子器件释 vacuum electronics真空电子学主要研究带电粒子（电子和离子）在真空或气体中产生，并与电磁场和物质相互作用的科学与技术。是电子学的一个基础分支。
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