求翻译：狗的视觉和人的视觉不同，狗无法像人一样分辨各种色彩，但狗的确可以看到某些颜色。狗的视网膜上只有两种视锥细胞，所以狗眼中世界的色彩非常单调，虽然科学家已经证明犬可以区分一些颜色，但没有确切的实验做为论据，我们根据犬喜欢追逐运动的物体的特点，设计实验来验证犬是否为色盲。是什么意思？

The dog's vision and the visual is different, like people, dogs can not distinguish between the various color, but the dog can actually see some color. Dog's retina are only two cone cells, so the dog the color of the eyes of the world is very monotonous, although scientists have proved that dogs ca

dogs for the visually and by the human visual different dogs, like human beings do not distinguish between the various colors, but it is true that dogs can see some of the color. The dog onto the retina has only two cone cells, depending on the dog in the eyes of the world color is very monotonous,

Dog's vision and human's vision is different, the dog is unable the human equally to distinguish each kind of color likely, but the dog indeed may see certain colors.On dog's retina only then two kind of viewing pyramid cells, therefore in the dog eye the world color is extremely monotonous, althoug

Dog differ from the people of vision and Visual, the dog cannot distinguish between various color like a person, but dogs can indeed see some color. Only two types of cone cells in the retina of dogs, so the color of the dog in the eyes of the world are monotonous, although scientists have proved th

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