4月19日的一些迹象—水发现新的方法从火山口区域流走，正是这一观点的论据。

There was some indication on April 19th that water has found new ways to drain away from the crater area, which is encouraging in this respect.

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根据Petro先生的说法，激光传输系统可以在没有太阳光的月球或火星区域上发挥作用，例如在有可能找到水源的火山口内。

According to Mr Petro, lasers beamed from landing craft could power rovers in sunless areas of the moon or Mars, such as craters where water might be found.

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上周六，火山的Pu ' u ' o ' o火山口崩裂，并且在一个分离的区域撕开了一条0.5公里长的裂缝。

The volcano's Pu 'u 'o 'o crater collapsed on Saturday, and a 0.33-mile-long (0.5-kilometer-long) fissure ripped open on a separate region of the volcano.

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