The graphics developed by this effort comply with mil - d - 28003 , the cals computer graphics metafile ( cgm ) standard 通过这种方法建立的图形符合mil - d - 28003 ,即持续采办与全生命周期保障( cals )计算机图形元文件( cgm )标准。
Computer Graphics Metafile (CGM) is a free and open international standard file format for 2D vector graphics, raster graphics, and text, and is defined by ISO/IEC 8632.ISO/IEC 8632