【摘要】 用改进了的灰色关联分析方法对广州市部分监测断面水质进行评价,本文所用方法不仅考虑了水质评价标准的区间形式,比按临界值判断水质的级别归属更为客观,而且还对无量纲化方法作了调整,采用"中心化"方法,使得计算结果比经典方法更具有区分性,具有更明确的物理意义,实例证明该方法在评价水质时具有较强的合理性和可行性。更多还原

【Abstract】 The grey association analysis method is applied to environmental quality assessment in this paper. In order to overcome the defects of the traditional grey association analysis method, some improvements are put forward. A practical example is given, and the results show that this method is more reasonable and more feasible.更多还原