名词
中文翻译：手动电报
同义词：
['manual telegraph', 'manual teletype', 'manual teleprinter']
例句：
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1. The manual telegraphy system is still widely used in remote areas.
手动电报系统在偏远地区仍然广泛使用。
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2.The manual telegraphy system was developed to transmit messages over long distances.
手动电报系统被开发出来，用于远距离传输信息。
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3.In the old days, manual telegraphy was a reliable way to send urgent messages.
在旧时代，手动电报是一种可靠的发送紧急消息的方式。