This oblique view of the lower mound in Gale crater shows layers of rock that preserve a record of environments on Mars.
这幅视角有些倾斜的图片展示了盖尔陨坑中的低处高地，这些岩层保存了火星环境变化的相关线索。
The advantage of the mound fire is that it can be built on flat exposed rock or on an organic surface such as litter, duff or grass.
堆火的好处在于它既够在平整暴露的岩石地面进行，又可以在象干草落叶一样的有机物轮廓进行。
The framework carbonate rock bodies consists of reef, mound and framework organism layer.
骨架碳酸盐岩岩体类型有礁、礁丘和骨架生物层。
The framework carbonate rock bodies consists of reef, mound and framework organism layer.
骨架碳酸盐岩岩体类型有礁、礁丘和骨架生物层。
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