单词 | Planck's constant |
释义 | Planck's constant Physics. the fundamental constant of quantum mechanics, expressing the ratio of the energy of one quantum of radiation to the frequency of the radiation and approximately equal to 6.624 × 10-27 erg-seconds. Symbol: h Also, Planck constant. [1905-10; named after M. K. E. PLANCK] |
随便看 |
|
英语词典包含168451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。