noise analysis

例句：

1. 1. The engineer conducted a noise analysis of the factory's equipment to identify potential sources of noise.
   工程师对工厂的设备进行了噪声分析，以识别潜在的噪声源。
2. 2. During the construction phase, we need to conduct a noise analysis to ensure that the project is environmentally friendly.
   在施工阶段，我们需要进行噪声分析，以确保项目对环境友好。
3. 3. The noise analysis showed that the traffic noise was significantly reduced by implementing the new traffic regulations.
   噪声分析显示，实施新的交通规定后，交通噪声显著降低。