Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可以对树木的年轮和被称为纹泥的季节性沉积物进行计数来定其绝对年龄。
Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可以对树木的年轮和被称为纹泥的季节性沉积物进行计数来定其绝对年龄。
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