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
- Qingzhou Buddhist stone sculptures
- QingZhou city
- Qingzhou Fangong Temple Tang Catalpa
- Qingzhou Luogu of gong and drum music in Shandong province
- Qingzhou Museum
- Qingzhou Scenic and Historic Area
- Qingzhou Shi
- Qingzhou Statues
- Qingzhou Wan
- Qing Zhu
- Qingzhuan tea
- Qingzhuo Qubiqinaila Pian
- Qing Zun Lu:Tales of the Song Dynasty
- Qing ’s prince Palace
- Qin Hailu
- Qin-Han literature
- Qin He
- Qin Hesheng
- Qinhuai He
- Qinhuai Qu
- Qinhuangdao Beidaihe Scenic and Historic Area
- Qinhuangdao Museum of Glass
- Qinhuangdao Sea Sports Playground
- Qinhuangdao Shanhaiguan Great Wall Museum
- Qinhuangdao-Shenyang High Speed Railway