Except for the typical bending and torsion modes, the chord-wise bending modes have low frequencies.

充气机翼的颤振形式除常规的弯扭模态耦合外，弦向弯曲模态同样会发生颤振；

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Except for the typical bending and torsion modes, the chord-wise bending modes have low frequencies.

充气机翼的颤振形式除常规的弯扭模态耦合外，弦向弯曲模态同样会发生颤振；

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