Hum resonance exercise is the best way of training nasal cavity resonance in music teaching. Breath is the foundation and impetus of nasal cavity resonance.
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。
2
The invention can use the nasal speculum in a magnetic field without generating shifting or influencing magnetic resonance imaging in the operation, and has simple and practical structure.