断面几何特征具有各向异性，单一方向的二维截面分析难以全面描述复杂的断裂表面。
The geometric topography of fracture surface was found to be anisotropic, and it will be not adequate to describe the complex fracture surface with only one single cross section.
基于试样的一个或几个二维截面，结合数字图像处理技术建立二维数值模型进行力学模拟。
Based on one or several two-dimensional cross-sections of specimen, combining with digital image processing technology, two-dimensional numerical model was established for mechanics simulation.
根据二维截面或投影面上的图象参数去推断三维的空间图象参数，提取需要的特征信息并自动地进行处理及输出特征参数值。
Deducing 3-d spatial image parameters according to 2-d section or the image parameters on projecting plane. the required feature informations are extracted and processed.
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