常見例句雙語例句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。The calculation result shows that the influence of different air clearance beneath train body on aerodynamic drag is quite limited, but its effect on the aerodynamic lift is fairly strong.計(jì)算結(jié)果表明，車下空氣隙的大小對(duì)列車運(yùn)行的空氣阻力衹有微小的影響，但對(duì)氣動(dòng)陞力的影響較大； 返回 body aerodynamic drag