The bionic design of surface layer can be classified as surface colour design, surface pattern design, surface material design and surface structure design.

表面层的仿生设计可分为表面色彩设计、表面图案设计、表面材料设计与表面结构设计。

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In 3-d graphics parlance, a texture is an image applied to a design area like wallpaper pattern: the image is repeated or cut as needed to cover the surface.

在3 - d图形用语中，纹理是指像墙纸模式一样应用到某个设计区域的图像：该图像可以重复，也可以根据需要裁剪，以覆盖平面。

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Analysis of the side-wall pattern shows that the side-cutting process of the roller bit is related to not only the teeth surface design but also the rock property and the drilling parameters.

井壁模式分析说明，牙轮钻头的侧向切削过程不仅与齿面结构有关，而且与岩石性质、钻井参数有关。

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