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
- Xianjingtai Ziran Fengjingqu
- xianju
- Xianju chicken
- Xianju Scenic and Historic Area
- Xiankezhou
- Xian Lingxia
- Xian Mausoleum of Ming Dynasty
- Xi'an Mosque
- Xi ' an Municipal Archives
- Xi'an Museum
- Xianning Museum
- Xianning Shi
- Xiannong Tan
- Xiannv Hu
- Xi'an People's theatre
- Xi`an Physical Education University
- Xi'an Poetry Anthology
- Xi'an Public Library
- Xi'an pulsed reactor
- xi'an pulsed reactor
- Xianqiang opera of Shanxi
- Xi'an Qu
- Xi'an Qujiang Guojiaji Wenhua Chanye Shifanqu
- Xi'an Qujiang Museum of Fine Arts
- Xian Qun