In this paper, the theory of grey situation decision is applied to eutrophication assessment of water, and the method is given with some examples.
本文将灰色局势决策原理应用于水质的富营养化评价，并给出了应用实例。
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The third section introduces how the RS theory is applied in the decision making with an enterprise database.
第三部分通过具体的企业销售数据库实例，介绍粗糙集方法在管理决策中的应用过程。
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Finally, rough set theory is applied to discretization and attribution reduction of decision information table, in order to make the decision rule of image segmentation algorithm selection.