冰川作用 [地质] glacial action
大陆冰川作用 continental glaciation
同期冰川作用 contemporaneous glaciation
受冰川作用的 glaciated ; glacierized ; glacialized
冰川加强作用 agglaciation
古冰川作用 paleoglaciation ; former glaciation
新冰川作用 [水文] [地理] neoglaciation
冰川作用极盛期 glacial maximum
环极冰川作用 circumpolar glaciation
冰川作用极弱期 glacial minimum
这些山丘是冰川作用形成的。
很明显冰川作用就发生在相对不远的过去，因为漂流物很软，像新鲜的沉积物。
It was apparent that the glaciation occurred in the relatively recent past because the drift was soft, like freshly deposited sediment.
然而，使所有的黑土形成冰川作用的问题是，在前寒武纪沉积物中广泛分布有黑土。
The problem with ascribing all tillites to glaciation, however, is that tillite deposits are widespread in Precambrian sediments.
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