There are many sources of air pollution; exhaust fumes, for example.
空气污染有许多来源，例如废气。
There are many sources of air pollution; exhaust fumes for example.
空气污染有很多来源，例如废气。
There are many sources of air pollution, for example, exhaust fumes.
造成空气污染的因素有很多，例如废气。
The release airborne effleunts from coal energy chain have become main sources of air pollution.
煤燃料链已成为我国环境污染的主要来源。
The film also points at China's petroleum and steel industries as the biggest sources of air pollution.
影片认为，中国的石油、钢铁行业是空气污染的最大来源。
At present our country city more serious air pollution, traffic and transportation emissions are the main sources of air pollution.
目前我国城市空气污染比较严重，交通运输排放的废气是空气污染的主要来源。
The Clean air Act requires major sources of air pollution to obtain such permits before making changes that would result in a significant emissions increase of any pollutant.
清洁空气法令要求主要空气污染源需获得这种许可证，以防止污染物排放量的严重增加。
Setting off fireworks is one of the sources of air pollution because it will produce a lot of sulfur dioxide and other hazardous gases, which may lower air quality if they are emitted unlimitedly.
燃放烟火是一大空气污染的来源，因为燃放烟火会释放出大量的二氧化硫和其他有害气体，如果这些有害气体不能得到控制将降低空气质量。
Although the research station is far from major sources of human pollution, atmospheric circulation brings air from Europe and North America into the Arctic region.
虽然这个研究站远离人类主要的污染源，但是大气环流会把欧洲和北美的空气带到北极地区。
For example, when burned in vehicles, even the most ecologically acceptable sources of ethanol create air pollution that will cause the same mortality level as when gasoline is burned.
举例来说，如果作为汽车燃料，即使最环保的乙醇，其造成的空气污染也会导致和燃烧石油同样的死亡率。
Jackson is using a section of the clean Air Act, the New source Performance Standards, to clean up existing sources of carbon pollution.
Jackson在利用《清洁空气法案》的其中一章——“新排放源绩效标准”来清理现有的碳排放源。
The concept and method of exposure efficiency are used to precisely estimate the pollution intensity at a specific region resulted by various air pollution sources of industrial sectors.
为了精确地估算产业部门不同类别与特征的大气污染源对指定区域的污染强度，采用暴露效率概念及其研究方法。
The group also studied particle pollution levels emitted from these sources, which are made up of a mix of tiny solid and liquid particles in the air.
这个组织同样对从这些源头释放出的颗粒污染水平进行了研究。它们由极小的固体和液体颗粒组成。
Exhaust emission of vehicle engines is one of the primary air pollution sources.
车用内燃机的废气排放是大气污染的主要污染源之一。
Air pollution is often identified with major stationary sources, but the greatest source of emissions is mobile sources, mainly automobiles.
空气污染通常是与主要的固定污染源，但排放的最大来源是移动来源主要是汽车。
By the survey and the monitoring of the present indoor air pollution. The paper reviewed the sources and harm of the indoor air pollution. Solved measures are suggested.
本文通过对银川市室内环境空气污染现状的调查与检测，阐述了室内环境空气污染的来源及危害，提出了污染治理措施。
From the analysis of main air pollution sources, important applications of plants in controlling indoor air pollution are given in this paper.
从分析室内空气污染的主要来源入手，论述绿色植物在控制居室空气污染方面的重要作用。
Carbon dioxide and air pollutants arise largely from the same industrial sources and are diffused throughout the world, so that air pollution is also part of global change.
二氧化碳和空气污染物从相同的工业来源基本上出现并且整个世界被扩散，以便空气污染也是是全球变化的一部分。
Urban fugitive dust is one of the urban pollution sources of influencing air quality, degrading atmospheric visibility and endangering citizens' health.
城市地面扬尘是影响城市空气质量、降低大气能见度、危害市民身体健康的城市污染源之一。
Urban traffic pollution has risen to one of the major sources of China's urban air and noise pollution.
城市交通污染已经上升为我国城市大气和噪声污染的主要污染源之一。
Volatile Organic Compounds (VOCS), as one of the major sources of air contaminations, can not only cause direct pollution, but also lead to secondary pollution, such as photochemistry smog.
作为空气污染的主要来源之一，易挥发有机物(VOCS)不仅是一次污染源而且还可能造成光化学烟雾等二次污染。
One of the sources of air and water pollution is the modern coatings.
现代涂料为空气与水的污染源之一。
It is very important to study sources of aerosols in researching air pollution and chasing and appraising pollutants.
大气气溶胶物质来源研究是大气污染研究极为重要的内容，它对污染物质的追踪评价具有较大的意义。
The sources of indoor air pollution and its harm to people were introduced, and its effective control measures are presented.
介绍了室内空气中主要污染物的来源和对人体的危害，提出了控制室内空气污染的有效措施。
The contribution of acid precipitation regional sources and transfering is determined mainly by air pollution condition and meteorology of that area.
酸性降水中局地来源和传输作用的贡献，因地而异，主要取决于当地的大气污染条件和气象条件。
Motor Vehicle pollution has been one of the main pollution sources in city air pollution.
机动车污染已成为城市大气污染的主要污染源之一。
The making an investigation of air pollution sources is a difficult thing for prediction of urban air quality.
污染源清单的建立是目前城市大气污染浓度预报中的一大障碍。
The released vehicle exhaust was mainly sources of the lead pollution on the environmental air. The unleaded gasoline may reduce the lead pollution in environmental air of the vehicle exhaust release.
论述了环境空气中铅染的主要来源是机动车排放的尾气，推广使用无铅汽油可明显降低机动车尾气排放对环境空气中铅污染。
Unreasonable distribution of industrial sources, coal as principle energy consumption and its great consumption strength made soot-type air pollution more serious.
太原市不合理的工业污染源分布及以煤为主的能源消费结构和能耗强度大使得以煤烟型污染为特征的大气污染严重。
Unreasonable distribution of industrial sources, coal as principle energy consumption and its great consumption strength made soot-type air pollution more serious.
太原市不合理的工业污染源分布及以煤为主的能源消费结构和能耗强度大使得以煤烟型污染为特征的大气污染严重。
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