研究了地球磁场对带电的非赤道卫星的轨道根数的摄动影响。
The perturbation effect of the earths magnetic field on the orbital elements of a charged satellite is further studied.
地球是内行星中唯一一个有大卫星的，它的轨道既不在地球的赤道平面上，也不在其他行星所在的平面上。
Earth is the only one of the inner planets with a large satellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie.
我们需要的是一个在赤道处地面上的非常高的塔，以及沿地球静止轨道绕地运转的卫星。
What we need is a really tall tower here on the ground right at the equator and a satellite in geostationary orbit.
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