When a harmonic wave propagates in one-dimensional unsteady flow, the wave amplitude at any x-position will be related with Mach number M and (?)
分析表明,当由简谐声源所发射的声波在一维非稳定流中传播时,对于某一确定位置,其声压幅度除随时间周期变化外,还受到M和(?)
When a harmonic wave propagates in one-dimensional unsteady flow, the wave amplitude at any x-position will be related with Mach number M and (?)
分析表明,当由简谐声源所发射的声波在一维非稳定流中传播时,对于某一确定位置,其声压幅度除随时间周期变化外,还受到M和(?)
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