room-noise spectrum

例句：

1. 1. Thenoise from the construction site is a significant source of room noise.
   工地的噪音是房间噪声的一个主要来源。
2. 2. The room noise spectrum analysis helps us understand the sources of noise in the building.
   房间噪声谱分析帮助我们了解建筑中噪声的来源。
3. 3.The researchers used a specialized software to analyze the room noise spectrum.
   研究人员使用了一种专门的软件来分析房间噪声谱。