DIN 45684-2 E:2014 聲學(xué) 機(jī)場飛機(jī)噪聲暴露的確定 第2部分:聲學(xué)和飛行運(yùn)行參數(shù)的確定 草案
Draft Document - Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and flight operation parameters; Text in German and English