中心对称是指两个全等图形之间的相互位置关系,这两个图形关于一点对称,这个点是对称中心,两个图形关于点的对称也叫做中心对称.而中心对称图形是指一个图形本身成中心对称.如果将成中心对称的两个图形看成一个整体(一个图形),那么这个图形就是中心对称图形;一个中心对称图形,如果把对称的部分看成 Center symmetry refers to the mutual congruence between two congruent figures, which are symmetrical about a point, which is the center of symmetry, and the symmetry of the two figures about a point is also called centrosymmetry, whereas the central symmetrical figure refers to a figure Itself is a center symmetry.If the center symmetry of the two graphics as a whole (a graphic), then the graphics is the center of the symmetrical graphics; a symmetrical center of symmetry, if the symmetry of the part as