Apsidal transfer can be carried out straightforwardly or by devious ways.
比较了


在两个椭圆轨道间远拱点冲击过渡的迳直方式和迂回方式。
Apsidal transfer can be carried out straightforwardly or by devious ways.
比较了


在两个椭圆轨道间远拱点冲击过渡的迳直方式和迂回方式。
Our satellite itself will orbit around the moon for a period of two days.
我们的


本身将绕月球运行两天的时间。
People come from everywhere to celebrate the success of the launching of the first sattelite.
们从各处
拢来庆祝成功地发射第一颗


。
The orbit of the artificial satellite has an apogee of 200 miles from the earth.
这个


的轨道,其最远点在离地球200英里的地方。
The people all over the country exulted in the success in launching a new satellite.
全国
民为成功地发射了一颗新的


而欢欣鼓舞。
They receive television pictures by satellite.
他们通过


接收电视图像。
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