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
- smart player
- SMART principle
- smart ring
- Smart scenic and historic areas
- smart search
- smart set-top box
- SMARTS format
- smart skins
- smart space
- smart spindle
- SMARTS表达式
- smart television operating system
- smart terminal
- smart tourism
- smart transportation infrastructure
- smart TV dongle
- smart urban planning
- smart watch
- smart water conservancy
- smart water grid
- smart wearable device
- smart well completion
- SMART原则
- smash
- smashed space