It can fly more than 6, 000 nautical miles without refueling and more than 10, 000 nautical miles with just one aerial refueling, giving it the ability to reach any point on the globe within hours.
B - 2隐形机在没有加油的情况下，飞行距离能达11000km以上，仅加一次油，飞行距离能达18500 km以上，能够在一个小时内到达世界上任何一个地区。
Imagine using Mars as a stopover point for water and refueling. As for determining whether life ever existed on Mars.
想象一下，火星可以作为一个补给水和燃料的中转站，同时判断一下火星上是否有生命存在。
Imagine using Mars as a stopover point for water and refueling. As for determining whether life ever existed on Mars.
想象一下，火星可以作为一个补给水和燃料的中转站，同时判断一下火星上是否有生命存在。
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