基本解释有向图同根派生 digraphs相关词英汉例句Digraphs have a simple pictorial representation.有向图有简单的图形表示。Using matrix theory, we present a sharp upper bound on the spectral radius of digraphs and strongly connected diagraphs.摘要利用矩阵理论,给出了简单有向图的谱半径可达上界和强连通有向图的谱半径上界。digraphs更多例句