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the程控电话交换机 | 邮电通讯系统 2022-08-10 128 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
跟着社会需求的日益增长和科技水平的不断提高,电话已经成为每个单位和家庭不可缺少的一部分,这篇文章对与电话密不可分的程控交换机的办公原理、构成、办公过程以及其中最关键的多路复用技术进行说明。

(With the increasing social demand and the continuous improvement of the level of science and technology, the telephone has become an indispensable part of every unit and family. This article discusses the office principle, composition, office process and the most critical of the program-controlled switch that is inseparable from the telephone. Multiplexing techniques are described.)

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