The theory for exploring the moon time after time through double lunar swingby is analyzed at first.
析了双月球近旁转向实现对月球多次
测的原理。
]（航天器的）绕行星变轨；借力式飞行路线The theory for exploring the moon time after time through double lunar swingby is analyzed at first.
析了双月球近旁转向实现对月球多次测的原理。
After completing lunar swingby maneuvers, the A spacecraft is intended to orbit the Sun "Ahead" of planet Earth, and the B spacecraft "Behind".
在完
对测器变轨后，A飞船将在地球的前方绕行太阳，而B飞船则在"后方"绕行。
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