1. 断纹
1. 印章号码就会因磨损而产生断纹。
So they always get worn out and the numbers are always cracking.
2. 有紫铁足，多断纹隐裂如鱼子。
Purple iron foot, multi-cracked-off patterns, such as roe.
3. 所谓断纹，即将漆胎制成均匀细密的纹路。
Break vein refers to the even and fine veins that are made purposely onto the lacquer bodies.
4. 然后再对经过变换后的图像在频域进行八方向滤波，连接断纹、去除粘连、增强指纹脊线清晰度。
Then the after transformation image is filtered in the frequency domain for eight directions in order to connect broken ridge, remove adhesion ridge, enhance ridge clarity.