理学 网络体系结构 释 wide area network 广域网 连接不同地区局域网或城域网计算机通信的远程网。其所覆盖的范围从几十公里到几千公里，它能连接多个地区、城市和国家，或横跨几个洲并能提供远距离通信，形成国际性的远程网络。广域网是互联网的核心部分，但并不等同于互联网。
网络与数据通信 协议体系与组成结构 释文 wide area network, WAN 广域网
- chemical industry accident disposal
- chemical industry accident emergency management
- Chemical Industry and Engineering Progress
- Chemical Industry and Engineering Society of China
- chemical industry cleaner production
- chemical industry informatization
- chemical industry lean production
- Chemical Industry Museum of China
- chemical industry production virtual reality technology
- chemical industry safety feature
- chemical industry supply chain management
- chemical Information
- chemical information retrieval
- Chemical Instruments and Automation
- chemical interference
- chemical ionization
- chemical ionization (CI)
- chemical isotope separation
- Chemical Journal
- Chemical kinetics
- chemical kinetics
- chemical laser
- chemical leaching
- chemical leaching reagent for polluted soil
- chemical lifecycle management