Two optimal models of intensity of pollution sources were applied to Lanzhou city, and calculation and analysis performed for the models with linear program method.

将总量控制中两种源强优化模型应用于兰州市，运用线性规划方法对这两种模型进行了计算和比较分析。

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The amount of air pollution created depended on a number of factors, including weather, surrounding structures, amount of gasoline pumped, and traffic intensity.

有很多因素能影响空气污染的程度，包括气候状况、周围环境、汽油排放量的多少以及交通密度。

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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。

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One theory is that global warming, caused by air pollution, is at least partly responsible for the increased intensity of weather phenomena.

CNN: NATURE'S WRATH

For them, the growth question, the environment, pollution, the fate of the great globe itself, had become a cause of religious intensity, and the optimistic Mr Simon was a heretic to be put to the pyre.

ECONOMIST: Julian Simon