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。
hub ①中枢，中心 ②轮毂 ③衬套 ④集线器
hub 毂，轮图中心
网络与数据通信 协议体系与组成结构 释文 hub 集线器
- unconditioned response
- unconditioned sound change
- unconditioned stimulus
- UN conference on Environment and Development in Rio de Janeiro
- unconfined compression strength
- unconformity
- unconnected
- unconnected domain
- unconnected graph
- unconnected set
- unconnected space
- unconscious
- unconscious criminal motivation
- unconscious muttering
- unconscious perception
- unconstitutionality
- unconstrained
- unconstrained minimization
- unconstrained optimization
- unconstrained optimization method
- unconstrained system
- uncontinuity
- uncontrollable factor
- uncontrolled fission
- uncontrolled rectifying circuit