由于这个不均匀宇宙模型具有和宇宙常数模型完全相同的光度距离和物质密度，一般的宇宙学观测很难把它和宇宙常数模型区分开来。
Since this model has the same luminosity-distance and mass density with the cosmological constant model , it is very difficult to distinguish it from the cosmological constant model .
光度距离