Printing effect research include three parts: printing gloss, color density and color deviation, color efficiency, gray level.
对印刷效果的研究包括三个方面：印刷光泽度、色密度和色偏、色效率、灰度。
Printing effect research include three parts: printing gloss, color density and color deviation, color efficiency, gray level.
对印刷效果的研究包括三个方面：印刷光泽度、色密度和色偏、色效率、灰度。
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