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Earth & Climate Science

And remember, zircons are also used in radiometric dating.

请记住,锆石也用于辐射 测

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志:地质

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法辨别出该湖的龄。

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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,即使利用射性测法,即后来所谓的衰变计算法,也要等几十以后我们才得出地球的真正龄大约是在10亿以内。

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