环绕月球运行的人造天体。苏联于1966年3月31日发射的“月球-10号”探测器，为第一颗人造月球卫星，重245公斤，它对月球磁场和重力场进行了探测。
中国的第一颗人造月球卫星在中国的西南位置发射成功。
China's first lunar orbiter has made a successful lift off from its launch site in the southwest of the country.
还讨论了人造月球卫星以及相应的同步卫星的运动稳定性。
The stability of artificial lunar satellites and relevant synchronous satellite are also discussed.
由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。
Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
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