The machine vision system is to detect undesirable defects that may appear on the surface of rough wood lumber 应用计算机视觉系统，可以检测出制材生产线上出现的各种不需要的缺陷。
2.
I remembered coming out ten years ago ， walking the last stretch across the lohu bridge with its rough wood floor closed in on both sides by guardhouses and fences 我记得十年前出来的时候，走罗湖桥上最后那段路，脚下踏着粗木板，两边的岗哨和铁网逼得很近。
