依据数字图像处理理论，研发出一种基于数字图像的岩石非均匀性表征技术。
A digital image based characterization method of rock's heterogeneity is developed according to the theory of digital image processing.
由于试样细观缺陷非均匀性的存在，导致岩石断裂主要由拉伸破坏引起，但拉剪混合破坏仍然存在，并对抗剪强度有较大的影响。
Due to the heterogeneity, rock failure mainly results from tensile damage but shear damage still exists, which has influence on the shear strength.
低围压时，岩石试件内材料并未趋于均匀化，非均质性显著，强度尺寸效应明显；
At low confining pressures, the inhomogeneity of rock materials results in obvious strength-size effect.
岩石的非均匀性对于其破裂及渗流过程具有显著的影响。
The heterogeneity has significant effect on the failure process and seepage characteristics of rock.
不同学科的最新研究成果表明，岩石圈在热状态、化学成分和力学行为等方面具有高度非均匀性。
These studies indicate that the continental lithosphere is characterized by heterogeneities in its thermal state, chemical composition and mechanical behavior.
不同学科的最新研究成果表明，岩石圈在热状态、化学成分和力学行为等方面具有高度非均匀性。
These studies indicate that the continental lithosphere is characterized by heterogeneities in its thermal state, chemical composition and mechanical behavior.
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