If you will be presenting in a dark room (such as a large hall), then a dark background (dark blue, grey, etc.) with white or light text will work fine.
如果您是在一间黑暗的屋子(如大厅)里进行演示，那么暗色背景(深蓝、灰色等)加白色或浅色文本的效果就很好。
The colorist is the person who knows at once how to analyze a color, when it sees it in nature, and can say, for instance: that green-grey is yellow with black and blue, etc.
调色师是一种看到自然中的一种色彩，就能立即做出色彩分析的人，他们能说出，例如：那种灰绿是黄色加上黑色和蓝色，等等。
All kinds of pigments of muddy type and highly pasted type under 100 mesh, muddy type materials, soda detergent, alkali starch, dyestuff pigment, clay grey clay and cement, etc.
泥浆状高糊状100目以下物料各种颜料、泥头状物科滤并离心机滤并纯碱冼涤剂、碱石淀粉、染料颜料、粘土灰等粘土等水泥等。
Onyx: from the color is white, grey, red, green, yellow, blue, green, sheep, chicken liver, bravery, black agate etc.
玛瑙：从色彩上分有：白、灰、红、兰、绿、黄、羊肝、胆青、鸡血、黑玛瑙等。
According Segmentations' grey levels, shape, position, etc, characteristic to calculate the similarity of images.
根据分割区域的灰度、形状、位置等特征计算图像间的相似度。
When printing gold, a yellow primer is used, when printing silver, a grey primer is used, etc.
当印金墨时，几黄的底色；印银墨时，用灰的底色等。
When printing gold, a yellow primer is used, when printing silver, a grey primer is used, etc.
当印金墨时，几黄的底色；印银墨时，用灰的底色等。
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