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bi·o·stra·tig·ra·phy AHD[bī'ō-strə-tĭgʹrə-fē] D.J.[ˌbaɪəʊstrəˈtɪgrəfiː]K.K.[ˌbaɪostrəˈtɪgrəfi]n.（名词）- The study of the spatial and temporal distribution of fossil organisms, often interpolated with radiometric, geochemical, and paleoenvironmental information as a means of dating rock strata.生物地层学：对有机体化石空间及时间分布的研究，常插入显示岩石地层时期方法的辐射探测仪信息、地球化学信息以及古代环境信息
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