一、建立市场细分的灰色交叉关联度分析模型 灰色系统理论是由我国学者邓聚龙教授于八十年代初创立并发展的。近十余年来，灰色系统理论在社会、经济、石油、化工、材料和自动控制等方面得到了广泛运用，并取得了良好效果。所谓灰色系统，是指对于一定的认识层次，系统内部的信 First, the establishment of market segmentation of gray cross-correlation analysis model Gray system theory by our Chinese scholar Professor Deng Julong founded and developed in the early eighties. In the recent ten years, the gray system theory has been widely used in social, economic, petroleum, chemical, materials and automatic control, and achieved good results. The so-called gray system refers to a certain level of awareness, the system’s internal letter