中心对称
Central symmetry / Symmetry about a point A property where a figure coincides with itself after a 180-degree rotation about a point (center of symmetry).
CSCA 数学 考试术语
Central symmetry / Symmetry about a point A property where a figure coincides with itself after a 180-degree rotation about a point (center of symmetry).
CSCA 数学 考试术语