权威例句
Manufacturing Feature Recognition of Parts using DXF filesResearch on Data Conversion from DXF to DEMAutoCAD's DXF File Format and Its Transforming InterfaceIntegrated knowledge-based assembly sequence planningAutoCAD DXF文件格式与二次开发图形软件编程解读AUTOCAD的DXF文件DXF文件格式及其外部接口的研究Money handling device having universal interface boardAutoCAD的DXF文件格式及其转换接口研究基于VC++的DXF数据文件接口的研究