单词 | steradian |
释义 | steradian /steuh ray"dee euhn/, n. Geom. a solid angle at the center of a sphere subtending a section on the surface equal in area to the square of the radius of the sphere. Abbr.: sr [1880-85; STE(REO)- + RADIAN] |
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。