A method for obtaining parameters of export coefficient model by using hydrology and water quality data is presented.
针对非点源污染模型中的输出系数模型，提出了一种基于历史水文水质资料的参数确定方法。
Nutrient export coefficient of land use is an important parameter for constructing model of non-point source pollution.
各种土地利用类型营养盐输出系数是建立非点源污染模型的重要参数。
Export coefficient method is suitable for the region where there is no enough observation data. Export coefficient is the key to improve the accuracy of estimation.
输出系数方法适用于资料比较缺乏的地区，输出系数的确定是提高估算精度的关键。
The applied results of improved models show that the mechanism of the improved export coefficient model is more explicit, and the simulation is more accordant with the fact.
模型应用结果表明，改进后的输出系数模型机理更明确，模拟更符合实际。
The impact coefficient on carbon emissions of primary export products shows a growing trend, while the coefficient of industrial export products shows a decreasing trend.
其中初级产品出口对碳排放的影响系数呈逐渐增加的趋势，而工业制成品出口对碳排放的影响系数呈逐渐降低的趋势。
Third, the relative export price coefficient (negative) is also comparatively big, reflecting that China's export industry compete in the international market mainly by price advantage .
第三，中国出口的价格弹性也非常高。这就充分说明了我国出口企业在国际市场上主要依靠价格优势进行竞争。
Third, the relative export price coefficient (negative) is also comparatively big, reflecting that China's export industry compete in the international market mainly by price advantage .
第三，中国出口的价格弹性也非常高。这就充分说明了我国出口企业在国际市场上主要依靠价格优势进行竞争。
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