environmental noise standard

例句：

1. 1.The environmental noise standard is set to protect the environment.
   环境噪声标准被设定来保护环境。
2. 2.The company has implemented a new environmental noise standard to reduce pollution.
   该公司实施了新的环境噪声标准以减少污染。
3. 3.The government has announced a new environmental noise standard to improve air quality.
   政府宣布了一个新的环境噪声标准以提高空气质量。