absolute age

However, the validity of some of the absolute age calculated by using the annual dose of U, Th and K radiation remains to be an open question.

然而，利用U、Th和K自然放射性年剂量计算出的某些绝对年龄的正确性仍有一些问题。

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Absolute age and paleomagnetism have been subjected to intensive studies.

绝对年龄和古地磁也已得到深入研究.

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Make deduction out to the absolute age that every expects combining with the way of numbering the years grave funerary objects characteristic and the currency may ascertain age.

结合纪年墓的随葬品特征及可确定年代的货币对各期的年代做出推断。

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