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
- mechanical impedance
- mechanical index
- mechanical index, MI
- mechanical initiation
- mechanical injury
- mechanical inside cutting operations
- mechanical integration
- mechanical joining of composite
- mechanical joining technique
- mechanical kinematics
- mechanical language
- mechanical load and tissue construction
- mechanical loss of polymers
- mechanically calculable function
- mechanically interlocked polymer
- mechanically transplanting
- mechanical magnetometer
- mechanical maintainability
- mechanical mass
- mechanical materialism
- mechanical-materialist view of nature
- mechanical measurement by Raman spectrum
- mechanical metallurgy
- mechanical mobility
- mechanical model for musculoskeletal system