adj.沉积的
However, the thick terrace sediments that deposited by aggradational processes are always neglected in that procedure.
这样的对比方法忽略了形成厚层阶地沉积层的河川加积作用, 使阶地对比常常带有较多的主观成分,也使阶地对比结果过于复杂,难以解释.
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