复数： glaciations

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Lying in the gulf of bothnia , its islands have been shaped by glaciation and glacial retreat .

岛屿躺在波的尼亚湾（gulfofbothnia）之内，它是由冰川作用和冰川退缩而形成。

Hydrologic processes , including glaciation , flooding , and fluvial geomorphic response , have been fundamental in creating landforms in the park .

包括冰川作用、洪水泛滥和河流冲击形成的地貌反应在内的水文变化过程对约塞米蒂国家公园产生的地貌有着极其重要的作用。

These changes alter the intensity of sunlight hitting the earth at high latitudes , and so affect the extent of glaciation .

这些变化改变了高纬度区域的日照强度，由此影响了冰河作用的范围。

A new idea to quaternary glaciation in the middle-lower reaches of the changjiang river .

对长江中下游第四纪冰川发育的新认识。

During the pleistocene ice age , the ancient drainage systems were almost completely rearranged by glaciation .

在更新世冰期，古水系常被冰川作用完全改造。