介绍在数字移动通信中小区广播业务的技术实现原理，业务种类及发展前景。
Introduce the technology of cell broadcast service in the GSM digital mobile communication system as well as its service application and future development prospect.
CAS通信自动化系统，综合布线、宽频网路、移动电话楼内覆盖系统、有线电视及数字程控电话系统。
CAS (communication Automation system) includes cabling system, broadband network system, mobile phone coverage system, cable TV and digital communication system.
基于移动通信及移动计算技术，提出了车间数字化制造系统中“数字化人”的概念。
By utilizing the mobile communication and mobile computation technology, this paper put forward the concept of digital human (DM) and built DM prototype.
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