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
- heat dissipater, heat sink
- heat dissipation
- heat dissipation techniques
- heat driven thermoacoustic cooling cycle
- heated concrete trace
- heated laser scalpel
- =heated lithium ion system 受热锂离子系统
- heated printhead of fused deposition modeling
- heat effect
- heat effect of reaction
- heat efficiency
- heat emission
- heat emission integrated light-emitting diode package
- heat engine
- heat engine cycle
- heat equation
- heat equation method
- heater
- heater production process
- heat evaporation
- heat exchange
- heat-exchange equipment
- heat exchanger
- heat exchanger network
- heat exchanger network synthesis