名词
中文翻译：田野电报
同义词：
['field communication', 'field dispatch', 'field signal例句：1. The field telegraph was a crucial tool for communication during the early days of the railroad.（在铁路初期，田野电报是通信的关键工具。）']
例句：
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1. The field telegraph was a crucial tool for communication during the early days of the railroad.
在铁路初期，田野电报是通信的关键工具。
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2.The engineer used the field telegraph to send instructions to the workers on the construction site.
工程师使用田野电报向工地上的工人发送指示。
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3.The field telegraph was an essential part of the military's communication system during World War II.
二战期间，田野电报是军队通讯系统的重要组成部分。