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。
星变轨；借力式飞路线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".
在完成对测器变轨后，A飞船将在地球的前方太阳，而B飞船则在"后方"。
明：以上例
、词性
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