Dye-wastewater has five basic characteristics with high COD, high chroma, high toxicity, high salinity and low B/C, which is the"4 high & 1 low". The dye can exist in environment steadily for a long time.
染料废水具有COD高、色度高、毒性高、盐度高、B／C低的“四高一低”特点,染料能够在环境中长期稳定存在。
参考来源 - 白腐真菌组合工艺系统处理实际染料废水过程中微生物群落结构动态变化分析研究It is a
色度信号是一个二维矢量，称之为色度信号矢量。
参考来源 - 基于IE浏览器的色情图片过滤器的设计和实现In addition to value, hue and chroma, there are many subtle secondary optical properties of natural human tooth, such as translucency, opacity, iridescence, surface gloss and fluorescence. Translucency has been viewed as the most importance of these secondary properties.
天然牙的视觉外观除了颜色的三要素色相、明度、饱和度以外，还有许多第二光学特征：半透性、浑浊度、晕色、表面光泽度、荧光性，其中以半透性最为重要。
参考来源 - 天然牙和牙科陶瓷半透性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： saturation intensity vividness
以上来源于: WordNet
N the attribute of a colour that enables an observer to judge how much chromatic colour it contains irrespective of achromatic colour present 色度
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