Indoor noise comes from the emission of outdoornoise and indoor sources of noise.
室内噪声来源于室外噪声辐射和室内声源。
2
Using a fan or light music to create white noise can help blanket out some outdoornoise.
用风扇或轻音乐来制造白噪音，这能帮助掩盖一些户外噪音。
3
At the same time to implement the outdoornoise detection, it veri - ties that the rubber particle asphalt pavement has the good shock noise reduction effect.