And then in MTM system, we get region color features from the proposed color density-based clustering.
然后在MTM系统中，利用颜色密度聚类的方法得到区域颜色的特征。
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。
The results show that the saturated color density is improved by addition of antioxidant, and the reflection optical density reached 1.
结果表明：抗氧剂的使用可提高热敏层的饱和光密度，使涂层的反射光密度达到1。
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