We shall consider partitions of the edges of graphs and hypergraphs.我们将考虑图和超图的边的划分.This paper discusses the upper chromatic number of the Cartesian product of co - hypergraphs.讨论反超图的笛卡儿积的着色理论,求出了满足一定条件的反超图的笛卡儿积的上色数....
The infinite distances of space are too great for the human mind to comprehend.太空的无垠距离遥远得让人类的大脑无法理解。The bat judges distances by a kind of echo - location.蝙蝠用一种回声测定法来判断距离.The eye can accommodate itself to seeing objects a...