1.
equinoctial line [ circle ]
天球赤道, 昼夜平分线
2.
A similar great circle drawn on the surface of a celestial body at right angles to the axis of rotation.
天球赤道在天体表面与自转轴成直角的大圆
3.
A constellation in the equatorial region of the Northern Hemisphere near Aries and Pegasus.
双鱼星座北半天球赤道地带上空星云，靠近白羊星座与飞马座
4.
A constellation in the celestial equator near Gemini and Taurus, containing the stars Betelgeuse and Rigel.
猎户座在天球赤道上靠近双子座和金牛座的星座，包括参宿四和参宿七
5.
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic.
在天球上天赤道与黄道相切的两点中的任一点。
6.
Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon.
半天球被黄道，天赤道或地平圈分成两半的天球的一半
7.
a great circle on the celestial sphere that passes through both celestial poles.
通过天体球两极与天体赤道成直角相切的大圈。
8.
Either of two points on the celestial sphere at which the ecliptic intersects the celestial equator.
二分点在天球上天赤道与黄道相切的两点中的任一点
9.
The celestial equivalent is measured in degrees north or south from the celestial equator and is called the declination of the body.
天球纬度是从天赤道向南或向北以度数来表示，叫做天体的偏角δ。
10.
the hemisphere north of the equator.
赤道以北的那个半球。
11.
the hemisphere south of the equator.
赤道以南的那个半球。
12.
aquarius: a constellation in the equatorial region of the Southern Hemisphere near Pisces and aquila.
宝瓶座: 在南半球赤道区邻近双鱼座及天鹰座的一星座。
13.
A constellation in the equatorial region of the Southern Hemisphere near Pisces and Aquila.
宝瓶座在南半球赤道区邻近双鱼座及天鹰座的一星座
14.
diagram on the plane of the celestial equator
天赤道平面上的时间图
15.
In the summer, there are to gently men
暑天无君子赤膊大道理
16.
The Northern Hemisphere is the part of the world north of the equator, and the Southern Hemisphere is south of the equator.
北半球是地球赤道以北的部分，南半球是赤道以南的部分。
17.
the Northern and Southern H -
北半球及南半球(以赤道为界)
18.
The equator divides the earth into two hemispheres.
赤道把地球划分成为两个半球。