产品改型 meaning in English

model change

The system can abstract geometrical and machining information of the workpiece on line on machining center , which is very important in such aspects as improving the machining precision and efficiency , developing the new production , remodeling the old production and copying the sample workpiece
系统可以用于实现加工中心在线提取工件几何信息、加工信息。对提高产品加工精度、效率，以及新产品开发、旧产品改型和样件仿制等方面均有重要意义。