而几何纹理则是由不规则的细小凸凹构成的，取决于物体表面的微观几何形态。
Geometry texture is constituted by anomalous small bumpiness, it lies in microcosmic geometrical form.
任何机械加工所得的表面，实际上不可能是理想的光滑表面，总是存在一定的微观几何形状误差。
It is impossible that the surface gained by any machining is perfectly slippery. There is some microcosmic error of geometrical shape on the surface.
分析了用有限元法模拟线材二辊、三辊和四辊轧机轧制的特点，对线材断面的几何形状、微观组织和机械性能进行了介绍。
By simulating the features of two -, three -, four-high mill with finite element method, the geometric shape, micro-structure and mechanical property of wire section are analyzed.
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