During the procedure, the DXF-file was used as a swap file to form a coher ent flow frow the original drawing to the 3-D movie which was used in the multimedia training system and courseware.

• 在实现过程中，利用DXF文件作为转换文件，使得从根据图纸绘制的原图到三维动画形成了一个连贯的流程。