1) PSTN
公众电话网
1.
The Design of Long-range Auto Control for Water Supply System Based on PSTN;
基于公众电话网的远程自动供水系统设计
2.
The Design and Realization of the Remote Data Acquiring System Based on PSTN;
基于公众电话网的远程数据采集系统的设计与实现
3.
In this paper,a low-cost realization based on PSTN is introduced firstly.
文章描述了一种利用公众电话网的低成本视频监控系统的构建方法,重点介绍了前端图像采集系统的实现原理及方法。
2) PSTN (Public Switched Telephone Network)
PSTN(公众电话网)
3) PSTN public switched telephone network
公众交换电话网
4) pubic telephone
公众电话
1.
This paper introduces the related standards of limitation value of the pubic telephone interference disturbance at home and abroad,and describes the differences from views among the electricity,telecommunications and railway departments in definition of the limits value,and the views of all parties to unify their understanding,to the high standards expected.
介绍了国内外关于公众电话杂音允许值的相关标准,叙述了电力、电信和铁道各部门界定该限值的差异、分歧意见以及各方对统一认识、向高标准看齐的预期,结合特高压±800 kV直流输电工程放宽直流滤波性能指标、提高等效干扰电流数值的特点,指出了具体工程中的防护协调难度及协调建议。
5) public switched telephone network
公众交换电话网;公众数据交换网
6) PSTN
公众交换电话网络
补充资料：电话疗法
电话疗法
telephone therapeutic use
电话疗法(telephone therapeutie use)见“电话咨询”、“热线”。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条