Apsidal transfer can be carried out straightforwardly or by devious ways.
比较了
造卫星在两个椭圆轨道
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
造卫星在两个椭圆轨道
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
造卫星本身将绕月球运行两天的
。
People come from everywhere to celebrate the success of the launching of the first sattelite.
们从各处
拢来庆祝

发射第一颗
造卫星。
The orbit of the artificial satellite has an apogee of 200 miles from the earth.
这个
造卫星的轨道,其最远点在离
球200英里的
方。
The people all over the country exulted in the success in launching a new satellite.
全国
民为

发射了一颗新的
造卫星而欢欣鼓舞。
They receive television pictures by satellite.
他们通过
造卫星接收电视图像。
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