The negetive effects of printing media on the light propagation of color reproduction, first surface reflection, absorption and multiple internal reflection ect, can be attributed to the defect or extension of dot areas.

• 网目调地图彩色印刷颜色再现 ,由于光在油墨和纸张第一表面上的反射和光在油墨和纸张内部的多重反射 ,将产生网点在转移过程中面积率的扩张和亏损。