| 单词 | backward-wave tube | 
| 释义 | backward-wave tube [`bak·wǝrd ´wāv ´tüb]  ELECTRONICS A type of microwave traveling-wave electron tube in which electromagnetic energy on a slow-wave circuit flows opposite in direction to the travel of electrons in a beam.  | 
	
| 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。