FM noise level

例句：

1. 1.The engineer measured the FM noise level in the factory to ensure it met safety standards.
   工程师测量了工厂的FM噪声水平，以确保它符合安全标准。
2. 2.The new hearing aids have a low FM noise level, making them comfortable for people with hearing loss.
   新型助听器具有低FM噪声水平，使有听力损失的人感到舒适。
3. 3. The government is working on reducing the FM noise level in residential areas to improve air quality.
   政府正在努力降低住宅区的FM噪声水平，以改善空气质量。