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

单词	sealing technique of vacuum electronic device
释义	sealing technique of vacuum electronic device Encyclopedia 工学真空电子器件封离释 sealing technique of vacuum electronic device真空电子器件封离在真空电子器件排气过程终了，管内气体压强达10-5帕以下时，将器件与排气系统分开并保持密封的过程。
随便看	apparent revolution apparent right ascension apparent rotation apparent rotational potential apparent semi-diameter apparent shape apparent shear viscosity apparent sidereal time apparent singularity apparent sky brightness apparent solar day apparent solar time apparent sun apparent superluminal motion apparent superluminal velocity apparent temperature apparent time apparent-time studies apparent value apparent velocity apparent vertex apparent viscosity apparent viscosity of melt apparent visual magnitude apparent volume of distribution

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。