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- The sum of all the degree is 24, an even number, which is twice the number of edges. 所有次数的和是24,是个偶数,它是边数的两倍。
- The crossing number of a graph is the minimum number of pairwise intersections of edges in a drawing of in the plane. 图的交叉数是指把图画在平面上边与边产生的交叉数目的最小值。
- In experiment,we have proved that EBSP algorithm is 10 to 63 times faster than Floyd algorithm while the number of edges m is satisfied m=c*n. 通过试验表明,在边数m满足m=c*n的情况下,EBSP算法速度约为Floyd算法的10倍到63倍。
- Dengxin Li, Deying Li, Jingzhong Mao, On maximum number of edges in a spanning eulerian subgraph, Discrete Mathematics 272(2004) 299-302. 李霄民，李登信，探索极大欧拉生成子图的一种方法，工程数学学报，21（2004）1018-1020
- Dengxin Li，The Maximum Number of Edges of a Spanning Eulerian Subgraph in a Graph，Ars Combinatoris，(accepted ) to appear. 李霄民，李登信，探索极大欧拉生成子图的一种方法，工程数学学报，21（2004）1018-1020
- The problem about the minimum number of edges is discussed and an upper bound of the minimum number of edges of 3-unifomi C-hypergraphs with upper chromatic number 2 is given. 摘要讨论了3一致C超图的最小边数问题，给出了上色数为2的3一致C超图的最小边数的一个上界。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- I seriously question a number of your assertions. 对你所坚持的说法，有几点我甚为怀疑。
- A considerable number of guests have come. 相当多的客人已经来了。
- A number of possibilities come to mind. 我脑里出现了好几种可能性。
- Only a limited number of places are available. 只有少数地方可供使用。
- By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
- The number of day lose through strike have fall. 因罢工而失去的工作日减少了。
- The number of your finger is ten. 你双手手指的总数是10。
- A number of (ie some) problems have arisen. 已经出现了一些问题。
- A number of cables are needed in this project. 这项工程需要大量电缆。
- I have a number of important things to do today. 今天我有许多重要事情要做。
- I have five times the number of Tom's books. 我有五倍于汤姆的书。
