标准号:NFF90-272-3-1-2012
英文标准名称:Railwayapplications-Track-Noisebarriersandrelateddevicesactingonairbornesoundpropagation-Testmethodfordeterminingtheacousticperformance-Part3-1:normalizedrailwaynoisespectrumandsinglenumberratingsfordiffusefieldappli
国际标准分类号:93.1