Large Windows in the basket both above and below the spider reduce sound reflection, air flow noise and cavityresonance to a minimum.
合金盆架上较大的镂空设计使回声、气流噪声和空腔谐振等降低到最低水平。
2
Hum resonance exercise is the best way of training nasal cavityresonance in music teaching. Breath is the foundation and impetus of nasal cavityresonance.
在声乐教学中，运用哼鸣练习是训练鼻腔共鸣的最佳途径，呼吸是鼻腔共鸣的基础和动力。
3
The paper analyses the action method, disturbance wave property and excitation condition of hydraulic independent excitation and theoretical model of fluid flow property in resonancecavity.