单词查询

involutions

释义

n. 【数】乘方;【生】退化;内转;【医】萎缩; 网络释义: 侧带沟;

例句

These transformations are still involutions with the set of fixed points having codimension 1, but they are no longer isometries.
这些变换仍对合于有余维度1的不动点的集合,但它们不在是等距的。