aerodynamic noise test

基本解釋

An aerodynamic noise is confirmed to be the strongest one according to the test and analysis of the frequency spectrum of the noise from LGA fan.
通過(guò)對(duì)LGA風(fēng)機(jī)噪聲頻譜的測(cè)試分析，確認(rèn)其空氣動(dòng)力性噪聲最強(qiáng)。
A wind tunnel test for a model of the automobile body shows that beneficial effects on reducing drag and suppressing aerodynamic noise by using internal acoustic excitation.
汽車車身模型風(fēng)洞實(shí)騐表明，用內(nèi)部聲激勵(lì)可獲得有傚的減阻傚果，而且還能起到抑制氣動(dòng)噪聲的傚果。