《表2 8°攻角不同尾缘分配比钝尾缘翼型各观测点声压级Tab.2 Sound pressure level of each observation point of the airfoil with

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表1 测点总声压级dB (A) Tab.1 Total sound pressure level of test point dB (A)

表3 16°攻角不同尾缘分配比钝尾缘翼型各观测点声压级Tab.3 Sound pressure level of each observation point of the airfoil with blunt trailing edge