名词
中文翻译：无线电电报术
同义词：
['radio communication', 'telegraphy例句：1. The radio telegraphy system is crucial for emergency communication during disasters.（在灾害期间，无线电电报系统对于紧急通信至关重要。）']
例句：
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1. The radio telegraphy system is crucial for emergency communication during disasters.
在灾害期间，无线电电报系统对于紧急通信至关重要。
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2. The telegraph was invented by Samuel Morse in 1837 and revolutionized the way we communicate.
莫尔斯于1837年发明了电报，彻底改变了我们沟通的方式。
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3. Radio telegraphy has become a vital tool for global communication.
无线电电报已成为全球通信的重要工具。