单位和个体经营者使用空调设备产生的噪声，应当符合城市区域环境噪声标准；
The noise coming from the air-conditioning equipment used by units or self-employed workers shall conform to the environmental noise standard for the locality.
为有效地控制城市噪声污染的程度和范围 ，便于城市环境噪声管理和促进噪声源治理 ，城市区域环境噪声标准适用区划分 （以下简称“噪声区划”）势在必行 。
In order to effectively control the degree and scope of city noise pollution, strengthen city environmental noise management and promote noise control, city environmental noise division is necessary.
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