英语语法分析

Enhancement of the vortical effect can benefit both the side force and the normal force.

涡系诱导作用增强，对侧向力和法向力都有增值。

A new kind of vortical structure, whose features are contrary to those of the hairpin vortex, was observed in the present experiments.

实验中发现一种新型涡结构，它的特征与典型的发卡涡正好相反。

Boeing wants to use existing wing and tail control surfaces that shift up and down about 20 degrees in a coordinated fashion to disrupt the vortical flow.

波音公司则利用现成的机翼与机尾控制面，让它们互相协调、上下移动20度，以扰乱涡流。