Cartesian product of graphs的用法和樣例：
例句
- In this paper ,we study the crossing numbers of the cartesian product graph.
本文研究一類笛卡爾積圖的交叉數。 - 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圖，完全二部圖及笛卡爾積圖的交叉數。
