单项选择题
A.系统分析和设计 B.制造仿真器硬件 C.自动绘图 D.建立几何模型
A.X__F700S900M04 B.X__M03F900S700 C.X__F700S900M03 D.X__F700M03S900
A.GXYZFSTM B.GXZYFSTM C.GXYZMFST D.GMXYZFSTM
A.XYZ B.ZXY C.YXZ D.ZYX
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