There is a general use of rotational symmetryup top around the list of features, but also a more concrete use down below by the "Our Team" section.
在页面上部特性的描述上采用了一般性的旋转对称,下面“我们的团队”一栏中,实实在在的采用旋转对称。
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This paper examines the symmetry and asymmetry of "up" and "down" in their collocations with nouns about human body in terms of their perspectives, register and frames of reference.