单词 | electronic clock |
释义 | electronic clock [i´lek`trän·ik `kläk] HOROLOGY A clock that uses a ferrite rod and coil to pick up the electromagnetic field of 60-hertz power line wiring in a house; this 60-hertz voltage is amplified by a transistor amplifier and used to control a transistor oscillator that drives a tiny permanent-magnet synchronous clock motor; two mercury cells provide power for the transistors. |
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。