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盘点八种能识数的动物 食蚊鱼计算依靠比率(6)
2009-06-25 09:31:38 国际在线   发表评论
    

    6 食蚊鱼

盘点八种能识数的动物 食蚊鱼计算依靠比率

    食蚊鱼的计算似乎比较依靠比率。意大利帕多瓦大学的Agrillo博士和他的同事们发现,当让食蚊鱼与两组鱼群中较大的一组游泳时,食蚊鱼能分辨出数字1到16。它们也能分辨出较小的数字,例如1、2、3和4。



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