GNN

例句：

1. 1.The network connection is stable and reliable.
   网络连接稳定可靠。
2. 2. The network node is crucial for the operation of the system.
   网络节点对于系统的运行至关重要。
3. 3. The GNN model has been widely used in various fields.
   GNN模型在各个领域得到了广泛应用。