说明：  激光打标机图形处理及打标软件源码，包含PLT文件、空心字体文件、单单线体字体文件、DXF图形文件、位图文件、样条曲线等的处理显示出来标刻
(Laser Marking Machine graphics processing and marking software source code contains the PLT file hollow font file, line body alone font files, DXF graphics files, bitmap files, the spline curve processing marking)