单词 | impulse clock |
释义 | > as lemmasimpulse clock impulse clock n. a secondary clock operated by electrical impulses transmitted at regular intervals by a master clock. ΘΚΠ the world > time > instruments for measuring time > clock > [noun] > secondary clocks journeyman1904 impulse clock1923 impulse dial1931 1923 H. R. Langman & A. Ball Electr. Horol. v. 82 Clocks coming under this section are generally..designated as dials, impulse clocks, secondary clocks, journeyman clocks, sympathetic clocks, or step by step movements. 1951 S. J. Wise Electr. Clocks (ed. 2) iv. 67 An impulse or repeater clock is a device which receives the timed electrical impulses transmitted by a master clock, and translates them, through its wheelwork, into seconds, minutes and hours. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。