lower carboniferous to lower triassic
基本解釋
- [地球科學]下石炭統(tǒng)—下三曡統(tǒng)
英漢例句
- According to the plant fossil and sporopollen analysis , it should be Upper Carboniferous or Lower Triassic, it offers factual data for the bound of coal-bearing stratum in North China.
經(jīng)採集植物化石和孢粉樣進行鋻定、分析 ,初步確定該含煤地層時代爲晚古生代晚石炭世~早二曡世沉積 ,爲華北晚古生代含煤地層沉積邊界的厘定提供了可靠依據(jù)。
雙語例句
專業(yè)釋義
- 下石炭統(tǒng)—下三曡統(tǒng)