Palaeobiology and Stratigraphy is one of the most important curriculums in the Earth Science.
《古生物
与地层》是地球科各专业最重要的基础课程之一。
Palaeobiology and Stratigraphy is one of the most important curriculums in the Earth Science.
《古生物与地层》是地球科各专业最重要的基础课程之一。
Nonmarine sequence stratigraphy is used to analyze Jurassic depositional sequences in Tu-ha basin, and three sequences and one supersequence are divided in this paper.
本
陆相层序地层
法对吐哈盆地侏罗系沉积层序进行了综合分
，划分出三套层序和一套超层序。
The relationship between microlithotype and the distribution of cleat in coal bed is discussed through a case from Hedong coalfield, combining microstratigraphy and statistics methods.
摘要综合利显微地层和统计法，以河东煤田中北部8＃煤层为例，研究了煤层显微煤岩类型与煤层裂隙分布的关系。
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