The fixed-point-free Mbius transformations were classified into two classes, complete type and incomplete type.
把运动型Mbius变换分为完全型和不完全型两种,并讨论了这两种类型元素的一些基本性质。
Diagnosis:anhidrotic ectodermal dysplasia(incompletely type).
诊断:无汗性外胚叶发育不良(不完全型)。
