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
- training objective of vocational education
- training of form
- training of mind
- training of Qi
- training on firefighting skills
- training on firefighting tactics
- training on firefighting tactics under certain scenarios
- Training Outsourcing
- Training Plan
- Training Regimens
- training sample
- training school for librarians
- training sequence
- training set
- training ship
- training simulator for fossil-fired power plant
- Training Student Agent Team of Tibet Autonomous Region Zang Opera Troupe
- training subsidy
- Training System
- training transfer
- train moving garage of straddle type monorail
- train of wave
- train of waves
- train operation control system
- train operation diagram