理学 [重名条] 释 directed graph 有向图 二元组，其中顶点集非空，有向边集（或弧集）是由的有序对构成的子集。
＞组合数学、组合设计与图论＞图论＞释义 directed graph; digraph 有向图 directed graph 有向图†
理论计算机科学 数据结构 释文 directed graph 有向图
- unitary case
- unitary character
- unitary cobordism
- unitary cobordism theory
- unitary connection
- unitary dilatation
- unitary divisor
- unitary divisor function
- unitary dual
- unitary eigenvector
- unitary element
- unitary equivalence
- unitary evolution
- unitary fermi gas
- unitary frame
- unitary gauge
- unitary geometry
- unitary group
- unitary group representation
- unitary homomorphism
- unitary ideal
- unitary induced representation
- unitary integral equation
- unitary invariant
- unitary irreducible representation