理学 局域网 释 hub 集线器 在计算机网络中配置成星形的中心功能单元。它协调在站之间的数据通信，并可以提供对其他计算机网络的接入。
网络与数据通信 协议体系与组成结构 释文 hub 集线器
- World Energy Cities Partnership
- World Energy Council
- World Environment Day
- World Ethno-National Studies
- World Evangelical Fellowship
- World Expo Museum
- world factory
- world famous earthquake
- World Federation of Acupuncture-Moxibustion Societies
- World Federation of Chinese Medicine Societies
- World Federation of Scientific Workers
- World Federation of the Sporting Goods Industry
- World Fellowship of Buddhists
- world fertility survey
- World Festival of Black Arts
- World Film Aesthetics History
- World Film Festival in Montreal
- Worldfish Center
- world fisheries
- World Food Day
- world food day
- World Forest Day
- world forestry
- World Foundry Organization
- World Freestyle Football Association