1.
greatest eastern elongation
(内行星,卫星) 东大距
2.
The phase of the moon, Mercury, or Venus when half of the disk is illuminated.
内行星明亮的半圆月球、水星或金星其一半被照亮的现象
3.
Mercury and Venus are inferior planets.
水星是在地球轨道内侧的一颗行星。
4.
By definition, interplanetary travel is travel between bodies in a given star system.
星系旅行是指在给定的行星系统内在不同星体间的旅行。
5.
The innermost planet orbits every4.6 days and has the mass of Jupitor.
尚内箍耶行星每四点六工迣一圞﹐质量像木星。
6.
Study about the substitution of internal ring gear shape in star gear planet transmission
星齿行星传动中内齿圈齿形替代的研究
7.
the region of interplanetary space between Mars and Jupiter where most asteroids are found.
在太阳系内太空中火星与木星间的有很多小行星的区域。
8.
But when more than one planet is tugging at a star, deciphering the meaning of the wobble is complicated.
但是，多个行星牵引一个恒星，解密星体移位的内涵就会复杂化。
9.
The handover will take place over the next few weeks.
交接工作将在以后的几星期内进行。
10.
She is a Hongkong pop song star and is hot in the mainland.
她是香港的流行歌星，在内地也很红。
11.
Multi-deformable-body dynamics analysis on the ring gear of planetary gear set
行星齿轮内齿圈的多柔体动力学分析
12.
Everything from razor-sharp views of the planets in our own solar system, to the vast stellar nurseries where stars and planets are born.
照片内容包罗万象，有太阳系各行星的精彩绝伦的景致，也有孕育出星球，恒星的巨大行星。
13.
a building housing an instrument for projecting the positions of the planets onto a domed ceiling.
装有行星仪的建筑室，行星仪是将光点投射于代表天空的大圆顶内面以表示星球运行的仪器。
14.
The smaller Rocky worlds are Mercury, Venus, Earth and Mars. The four huge gas planets are Jupiter, Saturn, Uranus and Neptune.
类地行星是水星、星、球和火星。四类木行星木星、星、王星和海王星。
15.
The planet, dubbed HAT-P-1, is located some450 light-years from Earth in the constellation Lacerta.
这个行星,编号为HAT-P-1,位于离地球450光年的蝎虎星座内.
16.
At the current epoch in galactic history, star formation appears to take place in dark-cloud complexes.
在星系发展的现阶段，恒星的形成看来是在暗云复合体内进行的。
17.
Gravity acts within and between stars, planets and spacecraft.
万有引力作用于恒星、行星和宇宙飞船内部和彼此之间。
18.
with several natural ways for planets to generate internal heat;
相当数量的行星内部存在着天然的热能；