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
- tremendous outburst amplitude dwarf nova
- tremolo
- tremor
- trench
- trench and forearc basin
- trench-arc-backarc basin system
- trench-arc-basin system
- trench coat
- trench cutting re-mixing deep wall method
- trenched and seeded slope protection
- trench engineering technology
- trencher
- trencher cap
- trench fever
- trench gate insulated gate bipolar transistor
- trenching
- trenching geological logging
- trench metal-oxide-semiconductor barrier Schottky rectifier diode
- trench rescue
- trend
- trend analysis
- trend-based forecasting
- trend component
- trend component of time series
- trend control chart