The middle Pleistocene loess has no collapsibility.

中更新统黄土一般不具有湿陷性。

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The development of Benxi water cave started from the middle Pleistocene, about 400000 years ago.

本溪水洞的发育起始于中更新世，即约40万年前。

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While a glacial drainage system and flowing eastward drainage system developed during the Middle Pleistocene.

中更新世冰川水系与东流水系阶段；

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Phase Two, in the middle Pleistocene phase--700,000 years ago.

第二阶段,在更新世的中期,约七十万年前

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At the same time, the native Siberian mammoths, which may have been around for much of the Middle Pleistocene, completely disappeared.

BBC: Mammoths moved 'out of America'

In recent years, the Neanderthals - who lived across Europe, the Middle East and Central Asia in Pleistocene times - have come to be rehabilitated amid mounting evidence that their abilities had been underestimated.

BBC: Neanderthals used feathers as 'personal ornaments'