The basic theory of the wake survey measurement is the following. 尾流测量的基本理论如下。
We believed a middle or wake structure might exist, and now we can prove there is regimented structure at the very centre of turbulence. 我们认为一个中等或尾流结构可能存在,现在我们可以证明有大群结构位于湍流非常中心的位置。