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
- rigor mortis
- rigor of proof
- rigorous
- Rigorous and Standard
- Rigorous and Standard Historical Writing
- rigorous derivation
- rigorous error limit
- rigorous justification
- rigorous proof
- rigorous solution
- rigorous theorem
- rigs per unity month
- rig substructure
- rig type
- Rig-veda
- Ri Hua Zi's Summary of Materia Medica
- RII
- Riikka Pelo
- Rijksmuseum Amsterdam
- Rikard Nordraak
- RIKEN
- r-K对策连续体
- RILEM
- Riley and Riley's model
- Riley crater