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
- finite cardinal
- finite cardinal number
- finite chain
- finite character
- finite cochain
- finite-cofinite algebra
- finite commutative ring
- finite complex
- finite constructibility
- finite continued fraction
- finite controller
- finite covering
- finite covering theorem
- finite cyclic group
- finite dam
- finite decimal
- finite definability
- finite deformation
- finite depletion
- finite derivative
- finite determinacy
- finite deterministic automaton
- finite development
- finite difference
- finite-difference approximation