Mammals arose from a fairly primitive reptile in the Mesozoic era.哺乳类起源于中生代宛若原始的爬虫类.The deposition velocity of Paleozoic, Mesozoic and Cenozoic assumes unimodal pattern.在沉积速率分析曲线上,往往是古生代 、 生代和新生代呈单峰状态.The primary coastli...
Mammals arose from a fairly primitive reptile in the Mesozoic era.哺乳类起源于中生代宛若原始的爬虫类.Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time.丹巴地区自中生代以来经历了多期的变形 、 变质和岩浆作用.The deposi...