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- climate of geological time 地质时期气候
- A hiatus is the total interval of geologic time. 一个沉积间断是地质时间的总间隔。
- The longest division of geologic time, containing two or more eras. 万古地质时期中最长的分段，包括两个或两个以上的代
- Biochronology The measurement of geological time using biological events. 生物年代学：使用生物学事件来测量地质学时间。
- The introduction of geological time into our reasoning is of prime importance for petroleum exploration. 对石油勘探而言，把地质时间引入我们的推论是最重要的。
- This allowed them to follow 431 “lineages” of marine bivalve through the course of geological time. 这样，他们便可以沿着地质学的时间轴逐个研究431支海洋双壳类的“世系（lineages）”。
- "One has the feeling," she wrote, "that only the distant billennia of geological time can provide any adequate concept of the scale of the upheaval. “人们感到，”她写道，“只有长达数十亿年的久远的地质时期能够提供一点关于(这种)剧变规模的恰当概念：
- He is used to the soft climate of the south. 他习惯于南方温暖的气候。
- Measurement of geologic time,as through isotopic radioactive decay. 地质年代测定是通过放射性同位素衰变来测定的。
- The climate of a large geographic area. 大气候广大地理区域内的气候
- A unit of geologic time that is a division of a period. 世地理学中小于纪的时间单位
- Due to the difficulties of preserving natural gas accumulations through long periods of geological time, a thermal gas expulsion and/or oil-cracking episode during the Cenozoic is considered likely. 由于天然气聚集在深长的地质历史中难于保存，认为热成因天然气的排出和/或油裂解事件可能发生在中生代。
- The Palaeozoic has been broken down into six smaller units of geological time called periods. Cambrian is the oldest period of the Palaeozoic followed successively by Ordovician, Silurian, Devonian, Carboniferous and Permian Periods. 古生代可划分成6个小的叫做纪的时间单位，寒武纪是古生代中最老的一个纪，然后依次为奥陶纪、志留纪、泥盆纪、石炭纪和二叠纪。
- Like the Palaeozoic Era, the Mesozoic Era has been divided into smaller units of geological time called period. Triassic is the oldest period of Mesozoic followed successively by Jurassic and Cretaceous Periods. 如同古生代一样，中生代也可划分成一些叫纪的较小的时间单位。三叠纪是中生代中最老的一一个纪，然后依次为侏罗纪和白垩纪。
- Measurement of geologic time, as through isotopic radioactive decay. 地质年代测定通过放射性同位素衰变来测定地质年代
- The climate of Europe does not agree with him. 欧洲的气候对他不适宜。
- The longest division of geologic time, made up of one or more periods. 纪元地质年代最长的划分，由一个或多个阶段组成
- The climate of beijing is mild as a whole. 北京气候一般说来还算温和。
- The climate of that area has been warming up. 那个地区的气候在变暖。
- The climate of Kunming is enjoyable all year round. 昆明的气候一年四季都令人愉快。
