黄色标记的起始点(A)，和蓝色标记的结束点(B)。
The yellow marker is the start point (a), and the blue marker is the end point (b).
他把所有到近处的喂食点的蜜蜂作了蓝色标记，把所有到远处的蜜蜂作了红色标记。
He marked all the bees that came to the nearby feeding place blue, and all the bees that went to the far-away place red.
这张图片中，红外光是3.6微米波段的，以蓝色标记，8微米的光以绿色标记，24微米的光以红色标记。
In this image, infrared light with a wavelength of 3.6 microns is colored blue; 8-micron light is green; and 24-micron light is red.
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