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依据钻孔轴线与岩(矿)层产状三要素的空间关系之不同,对岩(矿)心夹角(入)进行了系统分类与命名,同时提出了与之相对应的岩(矿)层真倾角的计算公式。
According to the difference of the spatial relationship between the axis of the borehole and the three elements of the rock (ore) formation, the core angle (in) of the rock (ore) is systematically classified and named. At the same time, the rock (ore) Layer true inclination of the formula.