At first, the scientists believed the geometrical figure carved onto the antler could have been either the mentioned woman, or a nude man raising his arms.
起初，科学家们认为刻在鹿角上的几何图形可能是之前提到的那个女人，也可能是一个举着双臂的裸体男人。
这是几何图形。
In experiment one, the author use the abstract geometrical figure to study the acquirement process of complex rule.
在研究一中，研究者采用抽象的几何图形为实验材料，研究被试对复杂规则的习得过程。
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