计算机辅助机间操作系统
computer aided machine shop operation system
CAMOS
计算机辅助机械设计
computer aided machine design
computer-aided mechanical design
mechanical CAD
计算机辅助机械设计系统
computer-aided mechanical design system
3维计算机辅助设计
three-dimension computer aided design
CAD计算机辅助设计
CAD Computer Aided Dedign
cad
CAI(计算机辅助教学)
computer-assisted instruction (CAI
HPCI-1型物理实验微机辅助系统
HPCI-1 CAI system in physics experiment
步进电动机计算机辅助设计(步进电动机 C A D)
change of structural system