According to the monitoring data of ambient air (1996 ~ 2000), the air quality of the county town of Qianwei, Sichuan Province, is analysed and assessed.
根据犍为城区1996 ~ 2 0 0 0年大气环境例行监测数据，对城区大气环境质量状况进行分析和评价。
According to the monitoring data of ambient air (1996 ~ 2000), the air quality of the county town of Qianwei, Sichuan Province, is analysed and assessed.
根据犍为城区1996 ~ 2 0 0 0年大气环境例行监测数据，对城区大气环境质量状况进行分析和评价。
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