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In the paper,the properties of matching polynomial and matching unque,and Y-graph is not matching unque,and matching polynomial of snake tree and ring graph,ets.

文章主要研究特殊图的匹配多项式唯一的性质,得到了星图为匹配唯一的、蛇树和轮环图的匹配多项式及Y形图不是匹配唯一的等结论。