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