分形图像的原始图像一般为灰度图像，针对灰度图像的特点，采用像素点覆盖法，研究了应力腐蚀断口形貌的分形特征。
The pixel-covering method is used to research the fractal character of stress corrosion fracture so as to fit the property of gray images.
实验中观察到的规则的自相似网状纳米结构，显示了薄膜应力弛豫过程中自组织生长的分形特征。
The regular nano network structure in the morphology of the samples shows the fractal characteristics of the self-organized growth in the strain relaxation process.
考虑与实际生产相符的介质的双重特性和分形特征，并考虑介质的变形，引入双重分形介质渗透率模数，建立应力敏感地层双重分形介质系统的流动方程。
We establish a flow equation stress_sensitive to permeability for fractal and deformed double porous media and introduce permeability modulus of double porous media fractal reservoir.
考虑与实际生产相符的介质的双重特性和分形特征，并考虑介质的变形，引入双重分形介质渗透率模数，建立应力敏感地层双重分形介质系统的流动方程。
We establish a flow equation stress_sensitive to permeability for fractal and deformed double porous media and introduce permeability modulus of double porous media fractal reservoir.
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