graph theorist造句

例句与造句

1. since 1980, many graph theorists such as j . a . bondy, b . bollobas, h . j . broersma and fan genghua etc . have been studying the existence of heavy cycles in weighted graphs and gained a lot of important results
   broersma以及范更华等开始研究赋权图中重圈的存在性，得到了许多重要的结论。
2. It's difficult to find graph theorist in a sentence. 用graph theorist造句挺难的