图15：从阿波罗17号着陆地点2号站仰望地球时所拍摄的照片，画面中最醒目位置是一块圆形巨石和月球地平线。
15：Looking up toward Earth, a boulder and the Moon's horizon in theforeground, at Station 2 of the Apollo 17 landing site.
雷达站发射的微波可以穿透地球表明，这意味着不仅可以看到陆地，还能看到海底和地底的情况。
The microwaves emitted by the radar station could penetrate the Earth's surface - which means it would be able to see not only land, but under the sea and underground as well.
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