Researches on the Attitude Determination and Control System of a Small Astronomical Satellite;
小型天文衛(wèi)星高精度姿態(tài)確定和控制技術(shù)研究
Radio Astronomy Explorer
“射電天文探險者”號衛(wèi)星
The branch of astronomy that deals with the planets, satellites, and meteors of the solar system.
行星學(xué)天文學(xué)的一個分支，研究太陽系中的行星、衛(wèi)星和流星
A natural satellite revolving around a planet.
（行星的）衛(wèi)星圍繞行星運(yùn)轉(zhuǎn)的天然衛(wèi)星
The satellite of Uranus that is fourth in distance from the planet.
天衛(wèi)三距離天王星第四遠(yuǎn)的天王星衛(wèi)星
The satellite of Uranus that is second in distance from the planet.
天衛(wèi)一距離天王星第十四遠(yuǎn)的天王星衛(wèi)星
The satellite of Uranus that is third in distance from the planet.
天衛(wèi)二距離天王星第三遠(yuǎn)的天王星衛(wèi)星
Study on Autonomous Celestial Navigation Algorithm and Its DSP Realization of Near Earth Satellite;
近地衛(wèi)星自主天文導(dǎo)航的算法與DSP實(shí)現(xiàn)研究
REPORT ON SATELLITE LASER RANGING OBSERVATIONS AT SHANGHAI ASTRONOMICAL OBSERVATORY IN 2008
2008年上海天文臺衛(wèi)星激光測距觀測報告
The satellite of Uranus that is closest to the planet.
米蘭達(dá)距離天王星最近的天王星衛(wèi)星
By this method, astronomers discovered that Uranus has five rings which are similar to Saturn's. The planet also has five moons.
通過這個方法，天文學(xué)家發(fā)現(xiàn)天王星有五個類似于土星的光環(huán)。這顆行星也有五個衛(wèi)星。
Meteorologists use satellites, land observatories and historical data to provide information about the weather.
氣象學(xué)家使用衛(wèi)星、上天文臺和歷史資料來提供有關(guān)天氣的信息。
THE RADIO ASTRONOMY SYSTEM FOR FENGYUN NO. 2 GROUND SATELLITE STATION
風(fēng)云二號氣象衛(wèi)星地面站天線射電天文測量系統(tǒng)
RESCAN (Reflecting Satellite Communication Antenna)
衛(wèi)星通訊用反射天線
which help in forecasting the weather,
幫助預(yù)測天氣的衛(wèi)星，
satellite antenna radiation patter
衛(wèi)星天線輻射方向圖
satellite master antenna
衛(wèi)星電視的公共天線
satellite master antenna television system [SMATV system]
衛(wèi)星電視公共天線系統(tǒng)