最后建议全国只建一个分组交换公用数据网。
Finally, we consider it more advisable to establish only one PSPDN in our country.
由行政管理部门建立和经营的，借助公用数据网而提供的一种数据传输业务。
A data transmission established and operated by an administration and provided by means of a public data network.
系统还利用由MODEM和公用电话交换网组成的通讯线路进行远程数据传输。
And that, teledata transfer are realized through Lines of Communication which is build-up by MODEM and Public Switched Telephone Network.
本文对公用数据采集网进行了研究。
This paper makes a study of a public network for data acquisition.
本发明属于公用电话、数据交换网系统工程技术。
This invention refers to public telephone, data exchanging network system engineering tech.
本文介绍了公用和专用分组交换数据网的现状后，说明了开展标准的增值业务系统的重要性。
In this paper, after analysing the status on public and private PSDN, the significance of standard-based value added service systems is indicated.
设计并实现了利用较先进的电力线通信系统构成的公用数据采集网。
The design and realization of the network are based on an advanced electric wire communication system.
本系统以公用电话网作为通信信道，实现水情数据的远距离传输、存储和处理。
This system regards PSTN as communication channels and realizes data long-distance transmitting, saving and processing.
通信原理，利用公用电话网PSTN实现数据传输。
The remote diagnosis system uses the PSTN to transmit data based on the Fax theory.
进口工业网的Konexx Koupler可以连接任何公用电话或电话的听筒，提供高达26.4Kbps的通信模拟数据。
The Konexx Koupler straps onto the handset of any payphone or telephone, to provide analog data communications at up to 26.4 Kbps.
进口工业网的Konexx Koupler可以连接任何公用电话或电话的听筒，提供高达26.4Kbps的通信模拟数据。
The Konexx Koupler straps onto the handset of any payphone or telephone, to provide analog data communications at up to 26.4 Kbps.
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