moreover, with the fluid motion directions changing from attack angles to sideslip angles, a couple of main vortices are replaced by one main vortex in the secondary flow profiles of cross section.
此外,随着来流从同一侧滑角变换至同一攻角时,横截面的二次流图像中也从具有两个对称主涡变成只具有一个主涡的现象。