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		     | 摘要: | 
			 
		     | 通过给出狭义超树与广义超树的定义,利用超图圈数的计算公式及超图对应的二部图,得到了一系列狭义超树和广义超树之间关系的有意义命题,进一步完善了超树的理论系统. | 
			
	         
				| 关键词:  狭义超树  广义超树  线性超树  二部图 | 
			 
                | DOI: | 
            
                | 分类号:O157.5 | 
			 
             
                | 基金项目: | 
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                | The narrowed hypertree and the generalized hypertree | 
           
			
                | HE Jing  LAI Han | 
           
		   
             
                | Abstract: | 
			
                | By giving the definitions of the narrowed hypertree and the generalized hypertree,using the cyclomatic number formula and the Bipartite Graph of hypergraph,this thesis presents a series of significant propositions about the narrowed hypertree and the gene | 
	       
                | Key words:  narrowed hypertree,generalized hypertree,linear hypertree,Bipartite Graph |