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
- nonpolar solvent
- nonpolar substrate
- non-polar variation of latitude
- non-police activities
- non-pollution cultivation
- non-pollution point
- non-polynomial Lagrangian
- non-positional number system
- nonpositive
- nonpositive integer
- nonpositive integral kernel
- nonpositive matrix
- nonpositive operator
- nonpositive semi-definite matrix
- non-positivity
- nonpotenciality (nonpotentiality) of magnetic field
- non-potentiality
- non-potential motion
- non-precise data
- non-predicative
- non-predicative analysis
- non-predicative definition
- non-predicative formal theory
- non-predicative property
- non-preemptive multitasking