许多电子产品的搬运距离如果超过500公里，其减少污染的功效与交通运输污染相抵消，在一些情况下甚至会增加对环境的破坏。
For many of the electronic items, if one had to travel further than 500 km, the transportation pollutants washed out and, in some cases, created more harm to the environment.
农业产生的温室气体比交通运输所有方式加起来还要多，并且还进一步促成了从氮污染到水土流失等许多其它问题。
Agriculture produces more greenhouse gases than all methods of transport put together, and contributes to a host of other problems, from nitrogen pollution to soil erosion.
它是目前公认的全面有效地解决交通运输领域问题，特别是交通拥挤、交通阻塞、交通事故和交通污染等的最佳途径。
As we all know it is the best way to solve the problem of the traffic transportation field, especially traffic jam, traffic accidents and traffic pollution.
ITS不仅可提高道路交通运输与管理效率，更是一种控制道路交通污染的重要手段。
The ITS technique is not only as a way to improve transportation efficiency, but also as an important method for pollution control.
但是，现在的空气污染正受到现代交通运输业的污染，尤其是天然气汽车，以及燃烧矿物燃料的发电机，把污染的化学废物倾倒在空气中。
Butt air is now being polluted by modern transportation, notably gas-powered automobiles, as well as electrical generators that burn fossil fuels and pour polluting chemical waste into the air.
这些交通运输工具所排除的废气污染空气。
他们致力于减少环境污染，增加世界粮食供应，使交通运输更快、更安全。
They may work to reduce environmental pollution, increase the world's food supply, and make transportation faster and safer.
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。
At present our country city more serious air pollution, traffic and transportation emissions are the main sources of air pollution.
燃料电池技术曾经只被用来为航天器提供动力，但现在被拿到地球上，给人们带来了无污染交通运输的前景。
Fuel - cell technology was once used exclusively to power spacecraft, but it is now being brought down to earth, offering the prospect of pollution - free transportation.
本区域引用水源清洁，无污染，远离产生有害气体、烟尘、污水等有污染的环境，交通运输便利。
Clean water sources quoted in the region, non-polluting, far away from the harmful gases, dust, sewage and other pollution of the environment, transport facilitation.
本区域引用水源清洁，无污染，远离产生有害气体、烟尘、污水等有污染的环境，交通运输便利。
Clean water sources quoted in the region, non-polluting, far away from the harmful gases, dust, sewage and other pollution of the environment, transport facilitation.
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