标题: ISO 3745 AMD 1-2017 Acoustics — Determination of sound power levels and sound [打印本页] 作者: rwlle001 时间: 2021-6-3 09:23:23 标题: ISO 3745 AMD 1-2017 Acoustics — Determination of sound power levels and sound
ISO 3745 AMD 1-2017 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms