单词 | sidereal hour angle |
释义 | sidereal hour anglenoun : a coordinate in the equator system of coordinates used by navigators in place of right ascension, measured westward from the March equinox, and expressed in degrees up to 360° |
随便看 |
英语词典包含469781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。