[ huángjīng ] [天文学] celestial longitude; longitude; ecliptic longitude ◇黄经圈 circle of longitude
Example Sentences:
1.
Nutation in longitude 黄经章动
2.
The planet jupiter is at 21 degrees gemini , which is 81 degrees in longitude from " 0 " the square of 9 木星是在双子座的21度，那是黄经81度，来自从0度开始的9的平方。
3.
The alignment of two bodies in the solar system so that they have the same ecliptic longitude as seen from the earth 在地球观测，当太阳系内两天体的黄道经度简称黄经相同时，称为合。
4.
24 revolutions of time and price - the earth makes one revolution on its axis in 24 hours , moving 360 degrees in longitude 时间和价格的24小时旋转? ?地球绕轴24小时自转，在黄经上运行360度。
5.
Its orbit deviated substantially from a perfect circle , and its mean longitude was 323 degrees 34 minutes on october 1 , 1845 它的轨道与正圆相差很大； 1845年10月1日，它的黄经座标是323度34分。
6.
The moment at which a body in the solar system has an ecliptic longitude differing from that of the sun by 180 , so that it lies opposite the sun in the sky and crosses the meridian at about midnight 在地球观测，太阳系内天体的黄经和太阳黄经相差180时，称为冲。内行星没有冲的现象，当一天体冲的时候，在地球上是观测这天体的良好机会，因除了整夜可见这天体外，天体会于各地子夜时分经过各地的子午圈。
7.
The angular distance between the sun and a planet or the moon . it is also the difference in ecliptic longitude between the sun and other celestial objects . when an inferior planet follows the sun in its daily motion , appearing east of the sun in the evening , it is in eastern elongation 距角是太阳和太阳系内天体的角距，亦即是太阳和它们相差的黄经，以在日落后见于西方的内行星来说，这时内行星在处于太阳的东面，若这时的角距是在这段时间内最大的，便是
8.
Order , the authors present the expression of precession - nutation of cip . theoretical result shows that odd order s precession - nutation moment causes out - of - phase longitude and obliquity nutation namely , there are cos term in longitude nutation , and sin term in obliquity nutation . moreover , it proves that the expression of precession is independent of earth model 理论研究表明，奇数阶岁差章动力矩使得黄经章动和交角章动出现了异向项即黄经章动出现了cos项，交角章动出现了sin项，同时也证明了岁差表达式与地球模型无关。
