Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201:2010)
声学.机械和设备发出的噪声.在可忽略环境修正的情况下 在反射面上方基本自由场中 测定工作站和其他指定位置的发射声压级(ISO 11201-2010)