network management center

例句：

1. 1. Thenetwork management center is responsible for monitoring andmaintaining the network's security.
   网络管理中心负责监控和维护网络的安全。
2. 2. Thenetwork management center has beenupgrading its systems to improve efficiency.
   网络管理中心一直在升级其系统以提高效率。
3. 3. The network management center is responsible formanaging the network's resources and ensuringsmooth operation.
   网络管理中心负责管理网络资源并确保顺畅运行。