Air and surface water quality in major cities should meet both national and environmental quality standards.
重点城市的空气和地面水达到国家规定的环境质量标准。
China a's environmental authorities are to implement new air quality standards which will now measure some of the smallest and most damaging particles in the air.
中国的环境部门将执行新的空气质量标准，将测量空气中一些最小、伤害最大的颗粒。
The reference for formulating Chinese environmental quality standards is provided by analyzing the formulating procedure and process on ambient air quality standard in EC.
通过分析欧盟环境空气质量标准的制订过程，为我国环境质量标准的制订提供参考与借鉴。
China's environmental authorities are to implement new air quality standards which will now measure some of the smallest and most damaging particles in the air.
中国的环境部门将执行新的空气质量标准，将测量空气中一些最小、伤害最大的颗粒。
China's environmental authorities are to implement new air quality standards which will now measure some of the smallest and most damaging particles in the air.
中国的环境部门将执行新的空气质量标准，将测量空气中一些最小、伤害最大的颗粒。
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