The purification function of natural minerals for reducing pollutants is reflected mainly in the basic properties of environmental mineral materials.

天然矿物对污染物的净化功能主要体现在环境矿物材料基本性能方面。

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Those are some of the reasons, of course, that China has set itself the challenging targets of increasing energy efficiency by 20% and reducing pollutants by 10% by 2010.

正因如此中国正制定目标在2010年前提高20%的能源利用效率和降低10%的污染物排放量。

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NextGen will allow planes to make what is called a continuous-descent approach (CDA), essentially letting them turn off their engines, saving tons of fuel and reducing pollutants.

次世代可允许飞机采取被称国持续降落进场（CDA）的动作，从而事实上关闭引擎，节约燃料，减少污染物排放。

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Scientists at the EPA have long favoured such a ruling, which did not contain any specifics about reducing emissions of the pollutants.

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The president can argue that he is endorsing policies that create jobs while also reducing the level of pollutants regulated under the Clean Air Act.

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The United States, by contrast, uses less coal, uses more renewable power, emits less carbon dioxide, emits fewer pollutants across the board, and is continually reducing its emissions of carbon dioxide and pollutants.

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