Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可
年轮和被称为纹泥季节性沉积物进行计数来确定
年龄。
Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可年轮和被称为纹泥季节性沉积物进行计数来确定年龄。
Dendrochronology A method of archaeological dating by the ANNUAL RINGS of tree, used when the lifespans of living and fossil trees in an area overlap.
在一定区域内当生活及化石寿命有重叠时，通过年轮来推测考古学年代方法。
声明：
上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，
表达内容亦不代表本软件
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