Using some telecommunication or data access methods, a message can be the unit of information or data that is transmitted from one program or user to another.
在使用某些通信或数据存取方式时，消息可以是从程序或用户发送给另一方的信息或数据单元。
2
The Digital Program Control Switch System, which based on the circuit switch, is still the main means of telecommunication field and plays an important role in the telecom network system.
以电路交换为基础的程控交换技术在当前的通信网中占有重要比重，它仍是当前通信的主要手段和研究内容。
3
This program is mainly used in precursor observation system of telecommunication transmission earthquake stations.