Rosa Rugani and Lucia Regolin at the University of Padua took advantage of this quirk to test whether chicks could perform simple calculations.

帕多瓦大学的罗莎·鲁加尼和露西亚·若格林利用小鸡的这种习性考察了小鸡是否会做简单的算术题。

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Rugani also varied the size of the objects to rule out the possibility the chicks were identifying groups based simply on the fact that larger Numbers of items take up more space than smaller Numbers.

Rugani同样改变物体的大小，为了排除那种可能，即小鸡只是从数量较大的物体组体积较大的角度判断问题。

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Rugani also varied the size of the objects to rule out the possibility the chicks were identifying groups based simply on the fact that larger Numbers of items take up more space than smaller Numbers.

Rugani同样改变物体的大小，为了排除那种可能，即小鸡只是从数量较大的物体组体积较大的角度判断问题。

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