【计】 仿形控制

数字指纹是数字图像产品版权保护与拷贝控制的重要手段.

hydraulic copying head【机】;hydro-tracer head【机】

program-controlled copying trimming lathe

copying apparatus (printing apparatus)

endoscope objective, copying objective, macro-lens, projecting objective,

copying paper (duplicating paper)

external endface copying turning tool

copying paper holder

range of contoured surface angle of copying turning【机】