名词
中文翻译：警报机制
同义词：
['warning system', 'alarm system']
例句：
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1. The alarm mechanism is designed todetect and alert the authorities in case ofan emergency.
警报机制设计用来在紧急情况下检测并通知当局。
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2. The newalarm mechanism has improved thesafety of the building significantly.
新的警报机制显著提高了建筑物的安全性。
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3. The alarmmechanism was activated by a sudden drop intemperature.
警报机制被突然的温度下降触发了。