In 2016, only one fourth of Chinese cities met the country's air quality standards, according to a survey of 338 cities nationwide from the Ministry of Environmental Protection.
根据环境保护部对全国338个城市的调查，2016年，只有四分之一的中国城市达到了国家的空气质量标准。
When air quality standards were revised in 1996, PM2.5 was not included.
当空气质量检测标准在1996年修改时，PM 2.5并不包括在内。
Air quality standards means concentration limits for air pollutants in outdoor air.
空气品质标准：指室外空气中空气污染物浓度限值。
Six high performance filtration levels meet stringent ISO8573 Air Quality standards.
六水平的高性能过滤空气符合严格的ISO 8573质量标准。
That's at least four times greater than exposure standards set by U.S. national air quality standards.
这结果至少超过了美国国家空气质量标准的4倍。
Class 2 control regions means areas that meet air quality standards, with the exception of Class 1 control regions.
二级防制区，指一级防制区外，符合空气品质标准区域。
Environmental air quality standards were revised. The air quality index for monitoring fine particulate matter (PM2 s) was added.
修订环境空气质量标准，增加细颗粒物PM 2.5等监测指标。
S. national air quality standards. During one dust storm, airborne aluminum concentrations exceeded 1,400 micrograms per cubic meter.
一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。
County through the ISO14001 environmental management system certification, the air quality standards in more than two days over 330 days.
全县通过ISO 14001环境管理体系认证，空气质量好于二级以上标准的天数超过330天。
Recent studies on local air pollution around the major international airports show that air quality standards are generally not exceeded.
最近，人们对一些主要国际机场附近空气污染状况的研究表明，那里的空气质量普遍没有超标。
NAAQS (National Ambient Air Quality Standards) define attainment and protect human health by setting a limit on SO2 concentration nationwide.
国家环境空气质量标准规定了全国的二氧化硫浓度限值来保护人民健康。
The central competent authority in consultation with the relevant agencies shall determine the air quality standards in the foregoing paragraph.
前项空气品质标准由中央主管机关会商有关机关定之。
It should be remembered that the fundamental purpose of the offset policy is to allow industrial growth despite stringent air quality standards.
应该记得，补偿政策的基本目的是允许工业增长，尽管实施着严厉的空气质量标准。
Only 9 percent of people in China live in an environment that meets the national air quality standards, according to a scientific journal article.
根据一篇科学期刊文章表示，只有9％的中国人生活在符合国家空气质量标准的环境下。 。
Due to increasing awareness of the adverse consequences of air pollution, numerous countries of the temperate latitudes have promulgated air quality standards.
由于对大气污染的恶化情况日益关注，地处 温带的许多国家颁布了空气质量标准。
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 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。
China should speed up the research and development on air monitoring equipment in line with the rising demand after the country puts in place stricter air quality standards.
按照国家实施严格的空气质量标准后需求的不断增加，中国应该加快研发环境空气监测设备。
This time, Akerson and Barra will be helped by new regulations worldwide that more closely emulate the safety, air quality and efficiency standards in Europe and the U.S..
这一次，埃克森和芭拉有望借助全球各国推行的新监管标准实现目标，这些新标准更接近于欧美的安全、空气质量和油耗标准。
The central competent authority shall determine the categories, buffer zones and air quality monitoring facility standards for the special industrial parks in the foregoing paragraph.
前项特殊性工业区之类别、缓冲地带及空气品质监测设施标准，由中央主管机关定之。
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。
For the first time they were required to attain air quality of specified standards, within a specified period of time.
这是第一次要求各州的空气质量在一段具体时间内达到具体的标准。
In this paper, some topics regarding indoor air quality (IAQ) are reviewed such as factors affecting IAQ, sanitation standards and methods of assessment.
介绍国内外有关室内空气品质的研究成果，包括IAQ影响因素，卫生标准和评价。
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。
New and modified sources must meet technology and performance standards designed to prevent any significant deterioration of air quality.
新建和改建的污染源必须满足设计的技术和性能标准来防止空气质量的恶化。
New and modified sources must meet technology and performance standards designed to prevent any significant deterioration of air quality.
新建和改建的污染源必须满足设计的技术和性能标准来防止空气质量的恶化。
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