单词 | high-vacuum tube |
释义 | high-vacuum tube [`hī ¦vak·yüm ´tüb] ELECTRONICS Electron tube evacuated to such a degree that its electrical characteristics are essentially unaffected by gaseous ionization. Also known as hard tube. |
随便看 |
|
科学参考收录了103327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。