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。
On a geologic time scale, the recent, human-induced planetary warming has been quite sudden, and the huge ice sheets have only just started to respond.
从地质时间的尺度来看，近来人类活动引起的地球变暖现象是相当突然的，巨大的冰盖这才刚刚开始有所反应。
Hence it is considered that a galactic year can be based on to institute an ideal geologic time scale in which a galactic year is an era.
银河年是建立理想地质年代表的基础，每一个银河年就是一个代。
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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