regional hub

• 地区中心

regional hub的用法和样例：

例句

1. Air traffic is regulated from control towers and regional centres.
   空中交通由控制塔台和地区中心调度。
2. After the accident, the Russian Ministry of Emergency Situations Siberian regional center immediately dispatched rescuers to the scene.
   事故发生后，俄罗斯紧急情况部西伯利亚地区中心立即派遣救援人员赶赴现场。