将决策学中的一些概念推广到反演集合拓扑空间中，给出一些相关的定义、定理及其在实际工作中的应用。
In this paper, according to inversion set and its topological space definition, we studied some mathematical definition and their relevant theorem of decision theory, and apply theory to practice.
辅助决策学是一门亟待建立的新学科。
Assistant policymaking is a new discipline of great urgency to be established.
辅助决策学是一门亟待建立的新学科。
Assistant policymaking is a new discipline of great urgency to be established.
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