A digraph D is unilateral.有向图D是单连的.We shall abbreviate'directed graph'to digraph.我们将把“有方向的图”简称为方向图.There fore we study the kings of locally semicomplete digraph by its characterization.文章通过研究局部半完全有向图的结构定理,分类讨论了...

digraph的音标：digraph的英式发音音标为：['daɪgrɑ:f]digraph的美式发音音标为：['daɪgræf]...

n.两字母发一音，连字...