其层位相当于丁付组下部，时代为晚更新世早期。

Its horizon is equivalent to the lower of the Dingcun Formation and its age is early Late Pleistocene.

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在中更新世早期，阳春地区的岩溶洞穴开始发育。

Inthe early middle pleistocene, the karst caves in Yangchun area began to develop.

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中更新世与晚更新世早期的海进较弱，仅有海陆过渡相沉积。

The transgressions of Middle Pleistocene and the early Late Pleistocene were weak and represented by deposits of the transitional nature from Marine to continental facies...

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Phase One, the million and a half years ago, in the early--in the late--Miocene and early Pleistocene phases, there was shift where people were less likely to be just going out and gathering foods from every place they could find it.

第一阶段,一百五十万年前,在整个中新世以及更新世的早期,情况开始转变,人们不光靠,出门四处搜集食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选