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导盲犬怎么分辨红绿灯

导盲犬怎么分辨红绿灯

导盲犬并不是通过颜色来分辨红绿灯,而是依靠红绿灯的光亮度来进行区分。这是因为狗的视网膜上只有两种视锥细胞,导致他们无法分辨太多颜色,但不同颜色在狗狗眼中并不是没有区别,只是区别在于亮度。

导盲犬怎么分辨红绿灯

导盲犬分辨红绿灯是依靠两灯的光亮度来区别的,红光和绿光在它们眼里都是灰色的,但是不同的灰色是可以分辨的;另外还会通过周围其他行人的动作来判断是否可以通行;如果没有人,还会通过自行观察车流来判断。

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