Using the perturbation method we have got the fourth order of approximation of the velocity potential to the problem.
运用摄动方法，给出了速度势的四阶近似，然后得到了圆柱表面的无量纲的压力系数和阻力系数。
Using the perturbation method we have got the fourth order of approximation of the velocity potential to the problem.
运用摄动方法，给出了速度势的四阶近似，然后得到了圆柱表面的无量纲的压力系数和阻力系数。
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