A graph is regular if every vertex has the same degree.
如果一个图的每个顶点都具有相同的度数，则称它是正则图。
A graph is regular if every vertex has the same degree.
如果一个图的每个顶点都具有相同的度数。
A family of graph which is not End-regular is constructed in this paper.
得到了一类自同态幺半群不是正则的图。
A family of graph which is not End-regular is constructed in this paper.
得到了一类自同态幺半群不是正则的图。
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