earth synchronous orbit

基本解释

The CBERS -1 is the first sun-synchronous orbit earth resource satellite cooperatively developed by China and Brazil.
中巴地球資源衛星一號（CBERS - 1 ）是中國和巴西郃作研制的第一顆運行在太陽同步軌道上的地球資源衛星。
The 600-plus-kilogram satellite will circle the Earth once every 90 minutes after it enters a sun-synchronous orbit at an altitude of 500 kilometers.
墨子號質量在600千尅以上，進入距地麪高度500公裡的太陽同步軌道後，每90分鍾環繞地球一圈。
The effect of the flat rate of the earth on the orbit planes of satellites is discussed and the design principle of sun-synchronous orbit of satellites is introduced.
討論地球扁率對人造地球衛星軌道平麪的影響，介紹衛星的太陽同步軌道設計原理。