管理学 电子政务网络技术 释 integrated services digital network; ISDN 综合业务数字网 实现话音、数据和图像在同一个网络中传输与交换的重要技术，是一种典型的电路交换网络系统。
网络与数据通信 协议体系与组成结构 释文 integrated service digital network, ISDN 综合业务数字网
- medium frequency electrotherapy
- medium frequency generator
- medium is the message
- medium launch vehicle mobile launch platform
- medium-length hole ore blast
- medium-low temperature convective geothermal system
- medium maintenance project
- medium manganese ductile iron
- medium-mass nucleus
- medium material
- Medium Method
- medium museum
- medium number
- Medium of artistic communication
- medium or low frequency data
- medium or low frequency trading
- medium power light-emitting diode package
- medium price housing
- medium-range order
- medium-range-order
- medium-range order, intermediate range order
- medium-range order structure
- medium resistance
- medium ring
- medium salt medium