根据历史记录、地层层序关系、堆积物特征的综合分析，推测堆积物的形成时间为公元1903年。
Based on historical records, stratigraphic correlation and features of the deposits, it is estimated that the ejecta are the product of 1903 AD eruption.
对水力压裂来讲，这个系统就是通过对记录压力的分析，提取地层和液体特征，从而确定裂缝的几何形状。
Through analyzing the pressure records in hydraulic fracturing, we can gain the formation and the fluid characteristic parameters and then judge the geometrical shape of a crack.
在对岩心和高分辨率地层剖面记录分析的基础上，得到了本地区的地层结构和地震反射资料。
Based on the analysis of core and high resolution stratigraphic profile records, the stratigraphic structure and seismic reflection data in the area are obtained.
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