| 释义 |
carboniferous period短语¹¹⁴⁴⁶⁷⁺⁴
基本英英近义反义例句
石炭纪
Noun:
from 345 million to 280 million years ago近义词 Carboniferous石炭纪
According to space distribution of the sedimentary facies, Longhuo ancient platform was an isolated one, surrounded with troughs in the Carboniferous period.
根据沉积相的空间展布，隆或古台地在石炭纪时为一个孤立的碳酸盐台地，周围被海槽围限。 cnki
Much of the petroleum we use today began some200 million years ago in the Carboniferous Period.
我们今天使用的很多石油都起至200万年前的石炭纪。 bioon
The Middle Carboniferous period was a main age that the Yilian-habirga crest zone was put together with the Wenquan- Sailimu and the Boluokenu tectonic belts.
中石炭世是准噶尔地块西南缘伊林哈比尔尕波峰带与温泉-赛里木及婆罗科努构造带镶嵌的主要时期。 cnki
The Southwest Fujian Depression is on an important development stage in Carboniferous period.
闽西南坳陷在石炭纪时，演化至一个重要的发展阶段。 cnki
This eventually resulted in the oxygen-rich atmosphere of the Carboniferous period around340 to280 million years ago.
这导致在距今2.8到3.4亿年前的石炭纪大气中的氧气几近饱和。 yeeyan
Through the work of1/50000 regional geological survey and the research of the sedimentary facies in the area, the author systematically sets up sedimentary sequence of Carboniferous period stratum.
通过在该地区进行1：5万区域地质调查工作及沉积相研究工作，系统地建立了该地区石炭纪地层的沉积序列。 cnki |