These observations allow one to formalize the definition of reflection: a reflection is an involutive isometry of an Euclidean space whose set of fixed points is an affine subspace of codimension 1.
这些观察允

形式化反射的定义: 反射是欧几里得空间的对合等距同构,它的不动点集合是余维度为 1 的仿射子空间。
词
数的;
称性的,均衡的;
指正。


