carboniferous period

基本解釋

The new research is focused on the Carboniferous Period, when the supercontinent of Pangea was covered in tropical rainforests ruled by reptiles.
在30億年前的石炭紀(jì)時代，大陸被熱帶雨林覆蓋，并由爬行動物所統(tǒng)治。
The Guibei Mountain developed from the limestone and dolomite in the Carboniferous Period (about 362-290 million years ago). The rock strata grow horizontally with pure texture.
龜背山山體發(fā)育在石炭紀(jì)（距今約3億6千2百萬年至2億9千萬年）石灰?guī)r和白云巖中。
There are great bifurcations as yet on the structural environment and on the evolution of the Xingmeng Paleozoic orogenic belt in Southeast Inner Mongolia during the Carboniferous Period.
內(nèi)蒙古東南部古生代造山帶在石炭紀(jì)時期的構(gòu)造環(huán)境和構(gòu)造演化，至今在認(rèn)識上存在較大的分歧。