①公共电话交换网 公共电话交换网（Public Switched Telephone Network，PSTN）是以电路交换技术为基础的用于传输 话音的网络。
基于200个网页-相关网页
公共交换电话网 public switched telephone network ; PSTN ; PSTN Public Telephone Switched Network ; Public Switch Telephone Net
基于公共电话交换网络 Public Switch Telephone Network ; PSTN
公共电话交换网路 Public Switched Telephone Network
公共交换电话网络 PSTN
公共交换电话网路 public switched telephone network ; PSTN
例如公共交换电话网 PSRN
公共程控交换电话网络 PSIN
公共电话网络交换机 Public Switched Telephone Network ; PSTN
公共电话交换网(PSTN)的线路和流量也在减少。
The number of lines and traffic of the Public Switched Telephone network (PSTN) network have also been decreasing.
公共电话交换网(PSTN)是最广泛使用的通信线路，因此在PSTN线路上传输视频具有广阔的应用前景。
It is most extensively used Lines of Communication to Public Switched Telephone Network (PSTN), hence the video surveillance system based on PSTN possesses widespread application prospects.
应用推荐