in-degree of vertex

例句：

1. 1. In the graph, the in-degree of each vertex is calculated to determine its importance.
   在图中，计算每个顶点的入度以确定其重要性。
2. 2. The in-degree of a vertex can affect the overall network structure.
   顶点的入度会影响整个网络结构。
3. 3.The in-degree of a vertex is an important metric for analyzing the connectivity of a network.
   顶点的入度是分析网络连通性的重要指标。