A turbulent fluid is a complex nonlinear large system and it is impossible as well as unnecessary to make detailed study of the geometrical structure and dynamical behavior of its strange attractors.

• 湍流是一个非线性复杂大系统,精细地研究其奇异吸引子的几何结构和动力学行为是不可能和不必要的,必须进行统计研究。