短語詞組短語point -symmetry 點對稱point of symmetry 對稱點;點對稱point group symmetry 點群對稱Lie Point Symmetry Lie 點對稱zero point symmetry 原點對稱point symmetry operation 點對稱操作position of point symmetry 點對稱位置point symmetry technique 點對稱技術 返回 point symmetry