| 单词 | vacuum-tube voltmeter | 
| 释义 | vacuum-tube voltmeter [`vak·yǝm ¦tüb `vōlt´mēd·ǝr]  ENGINEERING Any of several types of instrument in which vacuum tubes, acting as amplifiers or rectifiers, are used in circuits for the measurement of alternating-current or direct-current voltage. Abbreviated VTVM. Also known as tube voltmeter.  | 
	
| 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。