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
- developmental social work
- developmental stability vs. instability
- developmental strategy of tourism industry
- developmental systems theory
- developmental task
- developmental teaching
- developmental trajectory
- development and evolution of aortic arches
- development and opening up along the border
- development and people's livelihood index
- Development and Research Center of the State Post Bureau(China)
- Development and Sects of Ci Poetry in the Tang and Song Dynasties
- development and utilization of forest resources
- development and utilization of submarine mineral resources
- development and utilization of underground space
- development and utilization plan of mineral resources
- development axis
- development base of mineral resources
- development blasting
- development bonus
- development by ramp
- development by slope
- development center
- development communication theory
- development control