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
- gas-liquid two-phase critical flow
- gas liquid two phase flow
- gas-liquid two-phase flow
- gas-liquid two-phase flow in wellbore
- Gas-liquid two-phase flow regime
- gas-liquid two-phase flow regime
- gas-liquid two phase percolation in gas reservoir
- gas-liquid two phase sound velocity
- gas locking effect
- gas logging
- gas logging technology
- gas lubrication
- gas mask
- gas mass flow meter
- gas meter
- gas metering
- gas migration
- gas minerals
- gas-mixed electrochemical machining
- gas mixture
- gas motion in blast furnace
- gas nebula
- gas nitriding
- gas nitriding technology
- gas of coal seam