我们可以发射一个着陆器，向该星球投放一个有钻头的探测器，钻通其几公里厚的冰面；或者尝试去寻找一个巨大的裂缝进入地下海洋。

We could send a lander to drop a drilling probe through the kilometers-thick ice or attempt to find a huge fissure to access the sub-surface ocean.

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几乎每支队都选择沿着大裂缝搜寻，结果被带进了死胡同。大多数探测器要么摔残了，要么失去了联系。

Almost every team chose to follow a gully that led to a dead end, and this is where most rovers either broke down or lost communications.

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研究开发了用超声法探测结构物水下裂缝的方法。

Untrasonic pulse method was developed to explore the cracks of structures under water.

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