介绍了基于公共电话网的农村电网终端变电站（塔）监控系统开发背景及主要设计思想，并阐述了该系统的硬件配置和软件结构。
The thesis introduces the system's development background, followed by the introduction of the idea of overall design. The system's configuration of hardware and software structure is introduced.
本文介绍了一种通过嵌入式调制解调器与公共电话网实现心电数据远程传输的系统，系统由家庭单元、公共电话网和中心工作站组成。
A new ECG teletransmission system based on embedded modem and public switched telephone network (PSTN) is presented, which consists of family unit, PSTN and center workstation.
本文以公共电话网为基础，介绍了银行通信网络的设计思想，并以济南建行管理信息系统为开发背景，介绍了其网络通信系统的实现过程。
This paper introduces design of bank computer network based on PBX. The background example introduced is the Jinan Construction bank Information System for which the network we implemented.
本文以公共电话网为基础，介绍了银行通信网络的设计思想，并以济南建行管理信息系统为开发背景，介绍了其网络通信系统的实现过程。
This paper introduces design of bank computer network based on PBX. The background example introduced is the Jinan Construction bank Information System for which the network we implemented.
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