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
- differential phase shift keying, DPSK
- differential photographic method
- differential photometry
- differential polynomial
- differential polynomial ring
- differential positioning
- differential precession
- differential pressure flowmeter
- differential pressure sensor
- differential prior adjustment device
- differential privacy
- differential probe
- differential process
- differential protection
- differential proteomics
- differential pulse code modulation
- differential pulse code modulation, DPCM
- differential pulse code modulation，DPCM
- differential pulse polarography
- differential pulse polarography [voltammetry]
- differential pulse polarography voltammetry
- differential pulse voltammetry
- differential quotient
- differential radiometer
- differential reaction cross section