网络释义专业释义英英释义
天赤道(celestial equator)是天球上假像的一个大圈，位于地球赤道的正上方；也能够说是垂直于地球地轴把天球等分成南北两半的大圆，实践上有无限长的半径。
基于1692个网页-相关网页
celestial equator system of coordinates 天赤道座标系统 ; 天文赤道坐标系 ; 天球赤道坐标系统
lunar celestial equator 月球天体赤道
equator celestial 天球赤道
-
天赤道
-
天赤道天（球）赤道
-
天球赤道天赤道
-
天球赤道
-
天赤道天球赤道
·2,447,543篇论文数据，部分数据来源于NoteExpress
celestial equator
- n. the great circle on the celestial sphere midway between the celestial poles
以上来源于: WordNet
柯林斯英汉双解大词典
celestial equator
-
1.
N the great circle lying on the celestial sphere the plane of which is perpendicular to the line joining the north and south celestial poles 天赤道 (Also called equinoctial, equinoctial circle)
双语例句权威例句
-
As the Sun crosses the celestial equator heading south, spring begins in the southern hemisphere and autumn in the north.
当太阳在天赤道上掉头向南的时候，南半球的春天开始而北半球则是秋天。
-
The sphere , which was marked with stars , the celestial equator and the ecliptic , was mainly used to show the positions of celestial objects at different times.
这仪器又称浑象，球上刻有星宿赤道黄道等，主要是用来显示天体在不同时间的位置。
应用推荐