1.
The Mars Global Surveyor, arrived at the red planet nine years ago.
火星环球探测器九年前到达了火星。
2.
physics of solar planetary environment
太阳行星环境物理学
3.
Correlations of satellite positions and ring features occur in the Jovian, Uranian and Neptunian systems as well.
在木星、天王星、海王星的系统中，卫星的位置也和行星环的特性密切相关。
4.
Environmental Remote Sensing Operational Applications Using HJ-1A/1B Satellites
环境减灾-1A、1B卫星环境遥感业务运行研究
5.
dispersion ring
弥散环 -恒星运动
6.
Mars and Venus are planets of the sun.
火星和金星是环绕太阳的两个行星。
7.
geostationary orbit environmental satellite
静止轨道环境卫星同步轨道环境卫星
8.
2 stars turning round each other form a binary star
由彼此环绕的两个星组成双星
9.
binary star (two stars that revolve around a common centre)
双星（环绕一共同中心旋转的两颗星）.
10.
Neptune has eight moons and four rings.
海王星有8颗已知卫星和4个光环。
11.
Technical Characteristics of HJ-1A/1B Housekeeping System
环境减灾-1A、1B卫星星务分系统技术
12.
HJ-1A/1B Constellation Orbit Design
环境减灾-1A、1B卫星星座轨道设计
13.
circum earth orbit
地球卫星的环行轨道
14.
advanced research environmental test satellite
高级环境研究试验卫星
15.
A satellite's circle around the earth.
卫星绕地球的环形轨道
16.
Ciprofloxacin[Hydrochloride, Lactate]
环丙沙星[盐酸盐，乳酸盐]
17.
There are 15 moons and 11 rings surrounding Uranus.
它有15颗卫星以及11个环绕该星球的光环。
18.
Satum has ten moons in addition to its amazing rings.
除了它那使人惊奇的光环外，土星还有十个卫星。