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
- maternal and infant health care supervision
- maternal behavior
- maternal behavior of livestock
- Maternal & Child Health Care of China
- maternal deprivation
- maternal effect gene
- maternal genome
- maternal health care
- maternal immunity in fish
- maternal inheritance
- maternal line selection
- maternal mortality ratio
- maternal transfer of pollutants
- maternity allowance
- maternity benefit
- maternity clothing
- maternity insurance
- maternity insurance fund budget
- maternity leave
- mate selection gradient
- mate selection of four-section system
- matglass
- mat grass
- math
- math bibliography