根据正交双复数空间的概念及其表达，定义出相应的空间双复变函数的概念及表达，Ω=f(υ）=[u(x,y,z),ν（x,y,z)] iω(x,y,z)=(u,ν) iω,υ=(x,y) iz.，推导出相应的空间变换，即“空间保角变换”的原理，并作出了相应的典型变换形态，如平方变换、空间茹科夫斯基变换。从而体现出空间正交双复变函数实现空间变换的优越性。

By article \ the paper puts forward a concept of orthogonal double complex variables space. Its conformal transform and its typical form of transform are doscissed, such as three dimensional complex space square transform, space rukovski transform.

O174.5