NATIONAL AND INTERNATIONAL COMMUNICATION SYSTEMS.

被引：0
|
作者：
Lang, W.N.
机构：
来源：
Transactions of the Institution of Engineers and Shipbuilders in Scotland | 1974年 / 118卷 / pt 3期
关键词：
TELEPHONE SYSTEMS - United Kingdom;
D O I：
暂无
中图分类号：
TN91 [通信];
学科分类号：
0810 ; 081001 ;
摘要：
This paper gives a brief resume of the history of national communications in the U. K. leading to a survey of the present state of the art. The extension of national communications into the international field is covered with a forward look at the total scene as it may develop over the next few years. The subject matter is treated under the three main sub-sections of trunk or bearer systems, switching systems and customer apparatus.
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页码：29 / 36
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