The networks of the "Big Three" are now shifting from single hub to multi-hubs and the adoption of hub-and-spoke structure becomes more obvious.
三大航空集团的网络从单一枢纽为主向多枢纽转变，轴辐式结构更加明晰；
Now, the colorful, multi-ethnic hub is jostling for a new title as the showcase for a new partnership agreement between the European Union, North African and Middle Eastern countries.
现在，这个多姿多彩、种族多元化的枢纽城市正在争夺新的头衔--成为让世人了解欧盟、北非和中东国家新的合作协议的窗口。
A switch is sometimes called a multi-port bridge, just like a hub is called a multi-port repeater.
交换器有时被称为多口网桥，就像集线器叫做多口中继器一样。
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