Many scientists provided valuable research and input into the creation of the geologic time scale.
许多科学家为地质时间尺度的建立提供了有价值的研究和投入。
As he explains, the Geologic Time Scale is largely based on the stratigraphic record.
他解释说，地质时间尺度很大程度上基于对地层的记录。
As he explains, the Geologic Time Scale is largely based on the stratigraphic record.
他解释说，地质时间尺度很大程度上基于对地层的记录。
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