本文研究一类笛卡尔积图的交叉数。
In this paper, we study the crossing Numbers of the cartesian product graph.
大多的努力是在探求完全图，完全二部图及笛卡尔积图的交叉数。
Much effort has been spent on investigating the crossing Numbers of complete graphs, complete bipartite graphs and cartesian products graphs.
大多的努力是在探求完全图，完全二部图及笛卡尔积图的交叉数。
Much effort has been spent on investigating the crossing Numbers of complete graphs, complete bipartite graphs and cartesian products graphs.
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