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.
他们希望GIOVE - B卫星可以在GIOVE - A卫星的基础上，完善并且提供更多的数据。GIOVE - A卫星是欧洲第一颗在中地球轨道高度运行的卫星。
It is hoped that GIOVE-B will provide data to complement and expand upon results from GIOVE-A, which was the first European satellite to operate in MEO.
该模型模拟的太阳风暴比2003年的Holloween超级太阳风暴还要强烈，并研究出结果中的电子助焊剂对低轨道地球卫星产生的影响。
The model simulated a solar storm stronger than the so-called Halloween solar superstorms of 2003 and investigated what effect the resulting flux of electrons would have on LEO satellites.
2006年，这些天体物理学家发射了一艘人造卫星，命名为PAMELA，进入低地球轨道，专为寻找宇宙射线中的反质子。
In 2006, these guys launched a spacecraft called PAMELA into low Earth orbit, specifically to look for antiprotons in cosmic rays.
在滤波计算过程中，采用了改进的广义卡尔曼滤波算法，以某地球同步轨道通信卫星为背景，进行了计算机仿真研究。
Computer simulations are done based on certain earth synchronous communications satellite, and an improved extended Kalman filtering algorithm is adopted in course of filtering.
中地球轨道是全球定位系统（美国）、格洛纳斯系统（俄罗斯）和伽利略定位系统（欧洲）等导航卫星运行的轨道。另外，俄罗斯正在关闭国境内全球定位系统的地面工作站。
It might be interesting to know that MEO is the orbit of GPS, Glonass and Galileo satellites. It is also interesting that Russia is shutting down their GPS stations.
2007年4月，中国发射了属于其北斗一号系统的首颗地球中轨道卫星。
In April 2007, China launched the first medium earth orbiting satellite that belongs to their Compass system.
2007年4月，中国发射了属于其北斗一号系统的首颗地球中轨道卫星。
In April 2007, China launched the first medium earth orbiting satellite that belongs to their Compass system.
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