【摘要】 通过对L图存在性的探讨研究 ,得出结论 :当顶点数ν与边数ε分别满足公式。ν=2 +∑mn=1 n　　ε=ν+m - 1　 ( 2≤m≤ 3)时 ,可以确定出人图更多还原

【Abstract】 by studying the existance of Picture L ,the concluson can be drawn as the following: When Vertex ν ond numerical measure side ε senerately a ccord With the formula :ν=2 +m∑n=1n ,ε=ν +m - 1( 2 m 3) ,Picture Lcan beda made out.更多还原