请输入您要查询的英文单词:

 

单词 steradian
释义 steradian/stəˈreidiən/n. the SI unit of solid angle, equal to the angle at the centre of a sphere subtended by a part of the surface equal in area to the square of the radius (abbr. 缩略 : sr) 立体弧度;球面() [Greek stereos ‘solid’ + RADIAN]
随便看

 

英汉双解词典包含94788条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/4/12 21:14:16