工学 通信系统 释 access network 接入网络 为本地交换机与用户端设备之间实施互联，连接用户到特定的服务提供商并通过承载网络到达其他网络的用户网络。
网络与数据通信 协议体系与组成结构 释文 access network 接入网
- astronomical spectrometry
- astronomical spectrophotometer
- astronomical spectrophotometry
- astronomical spectroscope
- astronomical spectroscopy
- astronomical symbols
- astronomical technique
- astronomical telegram
- Astronomical telescope
- astronomical telescope
- astronomical test
- astronomical tests of general relativity
- astronomical theodolite
- astronomical tide
- astronomical time
- astronomical timekeeper
- astronomical time scale
- astronomical triangle
- astronomical twilight
- astronomical unit
- astronomical unit, AU
- astronomical vertical
- astronomical year book
- astronomical zenith
- Astronomic Map in Beijing Longfu temple caisson