单词 | quad |
释义 | quad [kwäd] ELECTRICITY A series of four separately insulated conductors, generally twisted together in pairs. ELECTRONICS A series-parallel combination of transistors; used to obtain increased reliability through double redundancy, because the failure of one transistor will not disable the entire circuit. GRAPHIC ARTS One of the small pieces of metal used in typesetting to space or to fill out a line of characters; used mostly to fill space when indenting the first line and to fill out the last line of type. THERMODYNAMICS A unit of heat energy, equal to 1015 British thermal units, or approximately 1.055 × 1018 joules. |
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。