Also that velocity, v, in that equation number five will also change with time because it's an elliptical orbit.
同样的，第五个方程序，中的速度同样，会随时间改变，因为这是椭圆形轨道。
The Earth's orbit is getting crowded. The past few years have witnessed huge growth in the number of satellites.
过去数年，随着卫星数量的剧增，地球轨道日趋拥挤。
Solar power satellites that have been manufactured on the moon will have been placed in orbit around a number of planets and moons, providing nearby planetary outposts with continuous electric power.
由月球制造的太阳能人造卫星将被安置在许多行星及其卫星的轨道上，成为这些星球的观察站，并以太阳光为能源连续不断地工作。
Together, these incidents increased the number of objects in orbit at an altitude of 700-1, 000km by a third (see chart).
这些事故及事件使离地700- 1000公里的轨道上运行的太空物增加了三分之一(见图表)。
Just before his visit to Beijing, Putin had announced a desire to form a new Eurasian Union that would tie a number of former Soviet states back into the Russian orbit.
就在普京访华之前，他表示希望成立一个新的欧亚联盟以使很多前苏联州邦回到俄国统治轨道上。
If LEO satellite orbit changes, then the GPS occultation events number and distribution will be different.
不同的LEO卫星，将使发生的掩星事件数量和分布有所差别。
If LEO satellite orbit changes, then the GPS occultation event's number and distribution will be different.
不同的LEO卫星，将使发生的掩星事件数量和分布有所差别。
In recent years a number of communications satellites have been put into orbit.
近些年来，很多通讯卫星被送上轨道。
In recent years a number of communications satellites have been put into orbit.
近些年来，很多通讯卫星被送上轨道。
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