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Earth & Climate Science

And remember, zircons are also used in radiometric dating.

住,锆石用于辐射 测年。

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科学杂志:地质学

If this surface is in fact fossilized lava flow, researchers may discern the lake's age, thanks to radiometric dating.

如果这个表面实际上是化石熔岩流,研究人员可以通过射性测年法辨别出该湖的年龄。

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万物简史

But even with radiometric dating, as decay measurements became known, it would be decades before we got within a billion years or so of Earth's actual age.

但是,即使利用射性测定年代法,即后来所谓的衰变计法,要等几十年以后我们才得出地球的真正年龄大约是在10亿年以内。

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