標題: ASTM E 1573-2002 用A級加權和1/3倍頻帶聲壓級評定大辦公室... [打印本頁] 作者: 兌水 時間: 2009-11-7 14:28 標題: ASTM E 1573-2002 用A級加權和1/3倍頻帶聲壓級評定大辦公室... E1573-02 Standard Test Method for Evaluating Masking Sound in Open Offices Using A-Weighted and One-Third Octave Band Sound Pressure Levels