名词
中文翻译：空气质量标准
同义词：
['air quality standard', 'air quality guideline例句：1. The government has set stricter air quality standards for the city.（政府已经为该市设定了更严格的空气质量标准。）2. The new policy aims to improve air quality in the area.（新政策旨在改善该地区的空气质量。）']
例句：
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1. The government has set stricter air quality standards for the city.
政府已经为该市设定了更严格的空气质量标准。
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2. The new policy aims to improve air quality in the area.
新政策旨在改善该地区的空气质量。
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3. The company has implemented a series of measures to meet the air quality criterion.
该公司已实施一系列措施以满足空气质量标准。