名词
中文翻译：高低频信号警报
同义词：
['high-low signal', 'high-low alarm例句：1. The hi-lo signal alarm was triggered by the sudden drop in temperature.（由于温度的突然下降，触发了高低频信号警报。）2. The hi-lo signal alarm helped to prevent a potential disaster.（高低频信号警报有助于预防潜在的灾难。）']
例句：
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1. The hi-lo signal alarm was triggered by the sudden drop in temperature.
由于温度的突然下降，触发了高低频信号警报。
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2. The hi-lo signal alarm helped to prevent a potential disaster.
高低频信号警报有助于预防潜在的灾难。
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3.In order to ensure safety, it is important to monitor the hi-lo signal alarm regularly.
为了确保安全，定期监测高低频信号警报是很重要的。