femto-
/ˈfɛmtəʊ/combiningForm
(Used in units of measurement) denoting a factor of 10−15: femtosecond
Origin
From Danish or Norwegian femten 'fifteen'.
| 单词 | femto- |
| 释义 | femto-/ˈfɛmtəʊ/combiningForm (Used in units of measurement) denoting a factor of 10−15: femtosecond Origin |
| 随便看 |
英语词典包含243303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。