As if environmental noise were not enough, now we besiege children with noisy toys and personal listening devices that can permanently damage their hearing. 似乎環(huán)境噪音還不夠，我們現在還用嘈雜的玩具和個(gè)人聽(tīng)力設備來(lái)圍攻兒童，而這些都可能永久性地損傷他們的聽(tīng)力。
Aero-acoustics simulations are increasingly being performed to reduce environmental noise generated by rotorcraft and fixed wing aircraft in high-lift configurations. 空氣聲學(xué)模擬越來(lái)越多的被用于降低由旋轉翼飛機和固定翼飛機產(chǎn)生的環(huán)境噪音，尤其是針對那些大型飛機。
The civil aviation department shall take effective measures to mitigate environmental noise pollution. 民航部門(mén)應當采取有效措施，減輕環(huán)境噪聲污染。
The ambient noise measurement for substations in the city plays an important role in controlling and preventing ambient noise pollution. 城市中變電站環(huán)境噪聲測量對控制和防治環(huán)境噪聲污染起著(zhù)重要作用。
