| 单词 | poulsen arc |
| 释义 | > as lemmasPoulsen arc Poulsen arc n. an arc discharge produced between a carbon electrode and a water-cooled copper electrode in an atmosphere of hydrogen or hydrocarbon vapour and a strong magnetic field, formerly used to generate continuous high-frequency radio waves for radio-telegraphy.extracted from Poulsenn.< 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。