求翻译：物源分析主要是从砂岩碎屑成分、砂岩粒度特征以及沉积砂体的展布特征等方面进行分析研究，得出研究区的沉积相展布特征；是什么意思？

Source analysis is the analysis obtained from the detrital composition of sandstone, sandstone grain size characteristics and sand body distribution characteristics of the sedimentary facies characteristics of the study area;

Property Analysis is mainly derived from sandstone, sandstone debris component granularity characteristics, as well as deposition of sand in the characteristics of an analysis of research studies that show that area of the sediment characteristics;

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The thing source analysis mainly is from the sandstone clastic constituents, the sandstone granularity characteristic as well as deposition granulated substance body aspects and so on mop characteristic conducts the analysis research, obtains the research area the sedimentary facies mop characterist