The Influence Factors for the Ambient Air Quality in Shanghai
上海大气环境质量影响因素分析
We present the National Primary and Second Ambient Air Quality Standards as upper bound guideline.
我们把国家一级和二级环境大气质量标准作为上限控制线。
Major areas are ambient air quality, acid deposition, atmospheric aerosol, and vehicular air pollution.
环境空气质量，酸沉降，大气气溶胶和机动车空气污染。
Investigation on the Ambient Air Quality in the Passenger Train Compartment during the Spring Festival Transportation
春运旅客列车车厢环境空气质量调查分析
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