依据分形几何理论，结合不可压缩粘性流体层流流动理论，建立基于分形参数的金属垫片泄漏模型，该模型揭示了泄漏率与密封表面形貌之间的关系。
According to the fractal geometry theory and the non-compressed viscous fluid laminar flow theory, the leakage model of metallic gasket based on fractal parameter was established.
建立了一种研究激光刻花轧辊表面形貌的三维模型。
A three-dimensional model for studying the surface shape of the rolls textured by laser beam is set up.
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