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
泥的季节性沉积物进行计数来确定其绝对年龄。
泥;每年一度的冲积层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泥的季节性沉积物进行计数来确定其绝对年龄。
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.
但层厚度的
化可能揭示出小冰期沉积通量的减少和上个世纪六十年代之后沉积通量的增加。
声明：以上例句、词性分类均由互联网资源自动
，
分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
