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.
中巴地球资源卫星一号（CBERS - 1 ）是中国和巴西合作研制的第一颗运行在太阳同步轨道上的地球资源卫星。
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.
墨子号质量在600千克以上，进入距地面高度500公里的太阳同步轨道后，每90分钟环绕地球一圈。
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.
讨论地球扁率对人造地球卫星轨道平面的影响，介绍卫星的太阳同步轨道设计原理。