该软件用于计划飞行器的表面活动，比如到哪里以及要拍摄多少照片。
The software is used for planning the rovers' surface activities, such as where to go and how many pictures to take.
日冕的形状可以使用基于观测太阳表面活动频繁区域的先进技术准确地预报。
The shape of the corona can be accurately predicted in advance with calculations based on the observed surface magnetic field.
这表明，地球上的水可能来自内部，由于地质活动，被带到表面形成海洋。
This suggests that Earth's water may have come from inside, driven to the surface to form the oceans, by geological activity.
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