工学 城域网 释 metropolitan area network 城域网 一种介于局域网与广域网之间，覆盖一个城市的地理范围，将同一区域内的多个局域网互联起来的中等范围的计算机网。属于中距离的传输网络。城域网位于骨干网和接入网的汇接处，在信息传输网络中处于承上启下的位置。
网络与数据通信 协议体系与组成结构 释文 metropolitan area network, MAN 城域网
- urbanization strategy
- urban justice
- urban labor market
- urban land rent theory
- urban landscape in ancient China
- urban landscape of scenic regions
- urban landscaping systematic mangement
- urban land system in China
- urban land use
- urban land-use
- urban land use arrangement
- urban land use planning
- urban language
- urban legend
- urban lifestyle
- urban livability
- urban logistics
- urban logistic system
- Urban Management And Law Enforcement
- urban master plan period
- Urban medical and health service system
- urban metabolism
- urban meteorological disaster
- urban meteorology
- urban migrant