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
- affine space
- affine sphere
- affine standard equation
- affine structure
- affine subgroup
- affine subspace
- affine surface
- affine symmetric space
- affine symplectic space
- affine tensor
- affine torsion
- affine transfer
- affine transformation
- affine transformation group
- affine type
- affine unimodular group
- affine variety
- affine volume
- affine weight
- affine Weyl vector
- affinis
- affinity
- affinity-based probe
- affinity capillary electrophoresis
- affinity capillary electrophoresis (ACE)