To the question why we do not find rich fossiliferous deposits belonging to these assumed earliest periods prior to the Cambrian system, I can give no satisfactory answer.
对于为什么我们没有发现大量的属于这个比还要早的时期的化,我无法给出满意的答案。
To the question why we do not find rich fossiliferous deposits belonging to these assumed earliest periods prior to the Cambrian system, I can give no satisfactory answer.
对于为什么我们没有发现大量的属于这个比还要早的时期的化,我无法给出满意的答案。
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