Researches on the Attitude Determination and Control System of a Small Astronomical Satellite;
小型天文卫星高精度姿态确定和控制技术研究
Radio Astronomy Explorer
“射电天文探险者”号卫星
The branch of astronomy that deals with the planets, satellites, and meteors of the solar system.
行星学天文学的一个分支，研究太阳系中的行星、卫星和流星
A natural satellite revolving around a planet.
（行星的）卫星围绕行星运转的天然卫星
The satellite of Uranus that is fourth in distance from the planet.
天卫三距离天王星第四远的天王星卫星
The satellite of Uranus that is second in distance from the planet.
天卫一距离天王星第十四远的天王星卫星
The satellite of Uranus that is third in distance from the planet.
天卫二距离天王星第三远的天王星卫星
Study on Autonomous Celestial Navigation Algorithm and Its DSP Realization of Near Earth Satellite;
近地卫星自主天文导航的算法与DSP实现研究
REPORT ON SATELLITE LASER RANGING OBSERVATIONS AT SHANGHAI ASTRONOMICAL OBSERVATORY IN 2008
2008年上海天文台卫星激光测距观测报告
The satellite of Uranus that is closest to the planet.
米兰达距离天王星最近的天王星卫星
By this method, astronomers discovered that Uranus has five rings which are similar to Saturn's. The planet also has five moons.
通过这个方法，天文学家发现天王星有五个类似于土星的光环。这颗行星也有五个卫星。
Meteorologists use satellites, land observatories and historical data to provide information about the weather.
气象学家使用卫星、上天文台和历史资料来提供有关天气的信息。
THE RADIO ASTRONOMY SYSTEM FOR FENGYUN NO. 2 GROUND SATELLITE STATION
风云二号气象卫星地面站天线射电天文测量系统
RESCAN (Reflecting Satellite Communication Antenna)
卫星通讯用反射天线
which help in forecasting the weather,
帮助预测天气的卫星，
satellite antenna radiation patter
卫星天线辐射方向图
satellite master antenna
卫星电视的公共天线
satellite master antenna television system [SMATV system]
卫星电视公共天线系统