摄影术诞生于1837年Photography was born in 1837
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关于铜版套色,标准的分色方式是按红黄绿或者蓝分三块版Regarding the color etching,the method of color speration of standard is to divide the three editions into red,yellow,gree or blue
干刻技法只能用质地比较软的塑料版The drypoint can only use a plastic plates with relatively soft texture
干刻技法的一个典型特点是线条边缘的“毛刺”A typical feature of the drypoint is the burr on the edge of the line
雕线技法主要使用的工具是推刀The main tool used in the carving technique is the push knife