标准摘要
[中文适用范围]： 描述了A计权声压级的测量方法以及表面声压级和声功率级的计算方法。显示要记录和报告的信息。给出术语和定义。 [外文原描述]： Describes a method for the measurement of noise emitted by steam turbines including driven machinery operating under steady state conditions. The results are expressed in sound power levels and in sound pressure levels. Applies to steam turbines of all sizes without limitation of output.
英文名称Acoustics - Measurement of airborne noise emitted by steam turbines and driven machinery