telegraphy

My grandfather told stories about how telegraphy was used to send urgent messages during the war.

我祖父讲过电报在战争期间如何被用来发送紧急信息的故事。

In history class, we learned that telegraphy revolutionized long-distance communication in the 1800s.

在历史课上，我们学到电报在19世纪彻底改变了远距离通讯。

Before phones were common, people relied on telegraphy to contact family far away.

在电话普及之前，人们依赖电报来联系远方的家人。

The museum has an exhibit on old telegraphy equipment, showing how messages were encoded.

博物馆有一个关于旧电报设备的展览，展示了信息是如何编码的。

The development of wireless telegraphy in the early 20th century paved the way for modern radio communications.

20世纪初无线电报的发展为现代无线电通讯铺平了道路。

In telecommunications engineering, telegraphy is studied as a foundational technology for digital signal transmission.

在电信工程中，电报学被研究作为数字信号传输的基础技术。

Businesses in the 19th century adopted telegraphy to expedite trade and financial transactions across continents.

19世纪的企业采用电报来加速跨大陆的贸易和金融交易。

Academic papers on the history of technology often highlight telegraphy's role in globalization and information exchange.

关于技术史的学术论文经常强调电报在全球化和信息交换中的作用。