Earlyprognosis offsctdruckereien to photograghic to seihan colour separation, did not adopt the UCR and GCR structure, all non-color in the color components are the basic colors of representation.

• 早期的胶印，以拍照不合色来制版，并操纵拔取UCR和GCR布局，不暗白洋所有的否不暗白身不合均是由原色来再 不隐的。