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2021 选调笔试综合讲练班讲义 行政职业能力 ... · 1、对称性** (1)轴对称,分为横轴对称、纵轴对称、横纵轴对称 (2)旋转对称,其中图形旋转180°重合称之为中心对称。对称轴垂直是中心对称图形。(三角形、
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