energy density of sound
英 [ˈenədʒi ˈdensəti ɒv saʊnd]
美 [ˈenərdʒi ˈdensəti əv saʊnd]
网络 声能密度
双语例句
- In chapter two, wave motion equation, sound energy, sound energy flux density, sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced.
第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。