方法：对26例患者进行磁共振引导下经皮腰椎突出间盘注射医用臭氧治疗术的术前术后护理。
Methods:26 patients with nursing care underwent MR-guided interventional percutaneous intradiscal ozone injection before and after procedures.
突出频率(11)铜管乐器吹嘴的最低共振频率。
Popping frequency (11) The lowest resonance of a brass instrument mouthpiece.
本文研究了低流速范围内突出式和陷落式圆柱形腔的流激自持振荡和驻波共振问题。
The flow-induced self-sustaining oscillation and standing wave resonance of protruding and trap cavities are studied at the low speed range.
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