Select the color for the background as shown in Figure 6.
然后选择背景颜色，如图6所示。
Step 6: start painting on your image and watch the color start to return.
第六步：开始在图像涂抹着色，你会发现色彩再次出现。
设置有6个颜色的方块。
A color reaction of nitrate with 2, 6-dimethylphenol was studied.
研究了硝酸盐与2,6 -二甲酚的显色反应。
A color reaction of nitrate with 2, 6-dimethylphenol was studied.
研究了硝酸盐与2,6 -二甲酚的显色反应。
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