geologic time是什么意思 geologic time怎么读
geologic time的英文翻译是什么意思，词典释义与在线翻译
Noun:- the time of the physical formation and development of the earth (especially prior to human history)
geologic time的用法和样例
- The quaternary period of geologic time extends from the end of the tertiary period to the present.
地质时期中的第四纪是从第三纪一直到现在。 - Although magnetic reversals have occurred many times in the geologic past, it is not yet possible to predict when the next reversal will occur.
尽管在过去地质时期地磁场发生了多次倒转，但要预测下次倒转将在何时发生也还是不可能的。
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