Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
以对树木
年轮和被称为
泥季节性沉积物进行计数来确定其绝对年龄。
；年融积雪（varve复数）Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.
以对树木年轮和被称为泥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
度变
揭示出小冰期沉积通量减少和上个世纪六十年代之后沉积通量增加。
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，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
