telegraph systems翻译

telegraph systems的基本解释

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电报系统

例句

By the late 20th century the telegraph had been replaced in most applications in developed countries by digital data transmission systems Based on computer technology.20世纪晚期,在发达国家中,电报的大部分应用已被用计算机技术的数字数据传输系统取代。

短语

closed circuit telegraph systems 闭路电报系统
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