Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可以对树木
年轮和被称为纹泥季节性
物进行计数来
绝对年龄。
层；年融雪（varve复数）Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
可以对树木年轮和被称为纹泥季节性物进行计数来绝对年龄。
The variation of varve thickness may show a decrease of sediment flux during the Little Ice Age, and an increase of sediment flux after 1960s.
但纹层厚度变化可能揭示出小冰
通量减少和上个世纪六十年代之后通量增加。
声明：以上例句、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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