【摘要】 在对物元可拓评价方法分析的基础上,指出了该方法在水质评价中存在当实测数据超出节域而无法计算的局限性。针对该方法的局限性,本文对原方法进行了改进。用改进的物元可拓评价方法进行了实例分析,结果表明改进的物元可拓评价方法是科学合理的。更多还原

【Abstract】 Based on analysis of matter element evaluating method,this paper pointed out the limitation that the method can not be used when observed data exceed the section field value in evaluation of water quality.As far as the limitation was coneerned, improvement was made on the former method.The improved matter element extension method has been analyzed with a practical example.The result shows that the improved method is scientific and reasonable.更多还原