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基于机动车数量增长速度快和空气质量达标的要求越来越高,北京市环保局经过对大气环境等各项指标的监测和论证,决定对欧洲标准提前实行。从明年1
Based on the growing number of motor vehicles and air quality standards faster and higher requirements, Beijing Environmental Protection Agency after the air environment and other indicators of monitoring and demonstration, decided to advance implementation of European standards. From next year