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
- pressure transducer
- pressure transmitter
- pressure transmitting coefficient
- pressure transmitting medium
- pressure trough
- pressure-type stage gauge
- pressure type thermometer
- pressure ulcer in older people
- pressure vacuum valve
- pressure vessel
- pressure vessel explosion
- pressure vessel self-enhancement process
- pressure vessel structure
- pressure-volume diagram
- pressure water test
- pressure wave
- pressure wave gauge
- pressure welding
- pressurizaition and feed system
- pressurization
- pressurization cylinder
- pressurization pipeline
- pressurization principle of elementary stage
- pressurize
- Pressurized Fluidized Bed Combined Cycle