本文研究了边覆盖临界图的一些性质。
In this paper some properties of edge covered critical graphs are discussed.
一个双因子临界图是一个砖块 ，如果它是3-连通的 。
要想确定是否存在14阶色指数临界图，首先需要确定出13阶临界图的结构和特征。
In order to determine whether exist chromatic index critical graph of order 14, we should determine chromatic index critical of order 13 at first.
本文研究ID-因子临界图的度和条件，得到使得图G是ID-因子临界图的任意两个不相邻的顶点的度和的下界，同时说明这些结果是最好可能的。
Degree sum conditions of ID-factor-critical graphs are studied. A lower bound for the degree sum of any two nonadjacent vertices such that G is ID-factor-critical is obtained, and the bound is sharp.
基于临界带能量特征的语音识别技术研究，光学测距离原理图。
With energy based on the critical characteristics of voice recognition technology, optical distance measurement diagram.
本文对图的星临界性及其与图的临界性之间的关系进行研究，给出了两类星临界但非临界的平面图。
In this paper, we investigate star color criticality of graphs and its relationship with color criticality by providing two types of planar graphs which are star color critical but not color critical.
讨论收缩临界5 -连通图最长路和最长圈上5度点的分布情况，刻画收缩临界5 -连通图的结构。
In this paper we discuss the distribution of vertices of degree 5 on the longest path and cycle and thus give a characterization of contraction critical 5-connected graph in a certain aspect.
并确定了路、圏和完全多部图的控制临界数的精确值。
The best possible upper bound of a graph is determined, the exact values are also determined for path, cycle and complete multipart graph.
提出了填充系数理论，制订了土体渗透破坏形式的填充系数判别式和管涌临界破坏坡降计算图。
The filling coefficient theory was put forward, a criterion for the filling coefficient of soil stratum failure and a critical hydraulic gradient chart were formulated.
提出了填充系数理论，制订了土体渗透破坏形式的填充系数判别式和管涌临界破坏坡降计算图。
The filling coefficient theory was put forward, a criterion for the filling coefficient of soil stratum failure and a critical hydraulic gradient chart were formulated.
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