环境空气质量标准 environmental and air quality standards ; air quality standards ; ambient air quality ; [环境] ambient air quality standard
环境空气质量指数 AQI
国家环境空气质量标准 NAAQS ; National Ambient Air Quality Standard ; National Ambient Air Quality Standards
环境空气质量 environmental air quality
国家环境空气质量目标 National Ambient Air Quality Objective ; NAAQO
改善环境空气质量 improve environmental and air qualities ; Improve Ambient Air Quality
城市环境空气质量 urban air quality
全国环境空气质量标准 National Ambient Air Quality Standards ; NAAQS
室内环境空气质量检测 determination of indoor air quality
空气负离子浓度与空气环境质量密切相关。
Air negative charge ion concentration (ANCIC) has a close relationship with air quality.
住宅空气环境质量的好坏，对人的健康至关重要。
It is very important to the people's health that whether the quality of air environment in the housing is good or not.
随着生活水平的提高，人们对室内空气环境质量越来越重视。
With the improvement of the living standard, people pay more attention to indoor air quality.
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