“microwave vacuum electronic device”的概念、定义、翻译、参考文献-科学参考

单词	microwave vacuum electronic device
释义	microwave vacuum electronic device Encyclopedia 工学微波真空电子器件释 microwave vacuum electronic device微波真空电子器件利用真空中自由电子与微波电磁场相互作用产生和放大微波信号的真空电子器件。
随便看	top-level ontology top lighting toplimit Top Managers top molecule topmouth culter topness Topocart topocentre topocentric topocentric aberration topocentric coordinate topocentric libration topocentric place topocentric zenith distance topochemical polymerization topochemical reaction topochemical reaction; topotactic reaction topochemistry topochemistry reaction topochronotherm topoclimate Top of various structures adorned with representation of Hornless Dragon topogenic vortex Topogon lens

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