Because of long mileage, every tire wears away and the tread patterndepth becomes very shallow.
因为跑了很长的里程数,每个轮胎都磨损了而且胎纹深度都变的很浅了。
2
Based on discussing of the patterndepth, width, and their relations of twill fabrics, the methods for quantitative description and design of the pattern characteristics were given in this article.
They're great for easily adding lots of interest and depth to a design, whether it be a huge background pattern or just some subtle textures here and there.