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
- attainable boundary arc
- attainable boundary point
- attainable set
- attainable space
- attainable subgroup
- attainment rate of water function zone
- attapulgite
- attempt of crime
- attendance at judicial proceedings
- Attendance Rates
- Attendant
- Attendant Guard and Imperial Army
- Attendant Kidding His Master
- attending skills
- attention
- attentional blink
- attentional cueing paradigm
- attentional system
- attention control training
- attention deficit disorder
- attention deficit hyperactive disorder
- attention deficit hyperactivity disorder
- attention development
- attention economy
- attention limit