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
- emergency medical equipment
- emergency medical rescue organization
- emergency medical rescue team
- emergency medical rescue volunteer
- emergency medical service
- emergency medical service, EMS
- emergency medical service system
- emergency medical treatment
- emergency monitoring on marine ecological disasters
- emergency monitoring system
- emergency monitoring technology of groundwater sudden environmental pollution accident
- emergency open
- emergency operation
- emergency operation mechanism
- emergency organization and command standards
- emergency parachute
- emergency personnel
- emergency plan
- emergency plan for pasture water supply
- Emergency Plan in Social Management
- emergency plan management
- emergency plans management
- emergency plan system
- emergency platform
- emergency platform system standard