电力系统自动交换网作为国内最大的专用语音通信网之一，发挥着巨大的作用。
Power system communication automatic exchange system is one of the largest dedicated phonetic communication network in China, which plays a tremendous role.
介绍了铁路电报自动交换网的功能特点，电报网的流量控制，网络运行保障及效果。
It introduces the functions and characteristics of railways telex automatic switch network, the volume control of telex network, operation guarantee of network and effects of network operation.
介绍了铁路电报自动交换网的功能特点，电报网的流量控制，网络运行保障及效果。
It introduces the functions and characteristics of railways telex automatic switch network, the volume control of telex network, operation guarantee of network and effects of network operation.
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