| 单词 | second |
| 释义 | second 1 Symbol s. The SI unit of time equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the caesium–133 atom. 2 Symbol ''. A unit of angle equal to 1/3600 of a degree or 1/60 of a minute. |
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物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。