大别地块可划分出四个形成条件不同的榴辉岩区，它们代表一种构造-岩石组合体。
The Dabie massif can be divided into four eclogite regions which formed at different metamorphic conditions. It is a tectonicpetrological assemblage.
根据本区寒武系的岩石学特征、生物组合特征和沈积构造特征重建了各组段的沈积坏境。
According to petrology, biological assemblage and structural features of carbonate rocks, the sedimentary environments of formations of the carbonates in Yichang area are reconstructed.
证明用正态分布函数能表示岩石构造裂隙组合的疏密规律，且计算误差小。
It is verified that in the function of normal distribution can be expressed the density law of the rock structure crevice group and the calculation error is minor.
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