“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。
随便看	projective dimension projective dimension of a module projective displacement projective distance projective duality theorem projective element projective elimination ideal projective embedding projective embedding theorem projective equivalence projective extension projective extension theorem projective fiber bundle projective finite geometry projective frame projective general linear group projective general orthogonal group projective general unitary group projective generation projective generator projective-geometric projective geometry projective group projective hierarchy projective hierarchy theorem

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。