“digraph”的概念、定义、翻译、参考文献-科学参考

单词	digraph
释义	digraph Encyclopedia 理学次模函数释 digraph有向图有向图是指一个有序三元组，式中是非空的顶点集，是与不相交的弧集，是关联函数，它使的每条弧对应于的有序顶点对（不必相异)。 Mathematics ＞组合数学、组合设计与图论＞图论＞释义 directed graph; digraph有向图 digraph有向图^†，双图
随便看	year cycle yearly audience with the emperor in rotation yearly UTC adjustment year-on-year growth rate year revolution years lived with disability，YLD Years of Burning Passion Years of Disasters years of employed Years of life lost, YLL year surplus yeast yeast artificial chromosome yeast artificial chromosome method yeast artificial chromosome，YAC yeast episomal plasmid yeast expression system yeast extract yeast extract paste yeast hybrid technology yeast integrative plasmid yeast production yeast products Yeast protein yeast receptor cells

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。