Human excessive deforestation, unscrupulous discharge sewage, a variety of industrial pollution, make even the head also don't go to the spring.

人类过度的砍伐，肆无忌惮的排放污水，五花八门的工业污染，使春天连头也不会地走了。

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The experimental results showed that treated wastewater had reached the industrial discharge standard, thus the environmental pollution was reduced obviously.

试验结果表明：处理后的废水达到了工业废水排放标准，可明显减轻对环境的污染。

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The pollution footprint model was built on the basis of the input-output analysis to measure the discharge coefficient and amount of 6 pollutants in 20 Chinese industrial sectors.

运用投入产出分析法建立了工业产品进出口污染足迹计量模型，计算了中国20个进出口工业部门6类污染物排放系数及排放量等多组数据。

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