"After mapping the surface, we see that approximately 40 percent is covered by smooth plains," she says.
“测绘后的表面，我们看到，大约有百分之四十是由光滑的平原，”她说。
Mountains of water ice towered above smooth plains, jumbled together as if ancient tectonic forces had pushed them across a sea of soft nitrogen ice like drifting icebergs.
(水)冰山矗立在由光滑的平原上，拥挤在一起，就像在软的氮冰海上漂流的冰山被古构造力把推在了一起。
The outer diameter of the large double ring crater at the center of the scene is about 260 km (160 mi). The crater appears to be filled with smooth plains material that may be volcanic in nature.
巨大的双环盆地的外部直径约260公里，内部像是被岩浆填平，多串小型陨石坑放射状地延展散布在双环盆地外围。
It has 19 distinct regions, characterised by features such as pits, wide depressions and smooth, dust-covered plains.
它有19个不同的区域，特征各异，或是深坑，或是广阔的洼地，或是尘埃覆盖的光滑平原。
The smooth Snow Queen feature is strongly suspected to be ice originally just under the soil, uncovered by the thruster rockets as Phoenix set down on the north polar plains of Mars.
因为冰后具有很平滑的表面，这也让大家很怀疑它本来是位在表土之下，当凤凰号降落在火星北极平原时，被火箭的喷气给清出来。
The smooth Snow Queen feature is strongly suspected to be ice originally just under the soil, uncovered by the thruster rockets as Phoenix set down on the north polar plains of Mars.
因为冰后具有很平滑的表面，这也让大家很怀疑它本来是位在表土之下，当凤凰号降落在火星北极平原时，被火箭的喷气给清出来。
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