形容词
中文翻译：次声的
同义词：
['infrasound', 'infrasonic']
例句：
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1.The subacoustic vibrations of the earth's core are responsible for the earthquakes we experience.
地球核心的次声振动导致了我们经历的地震。
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2. The subacoustic sound waves generated by the heartbeat can be detected using special equipment.
通过特殊的设备，可以检测到心脏跳动产生的次声波。
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3. The subacoustic frequencies are often used in underwater acoustics to detect objects beneath the surface.
次声频率常用于水下声学中，以探测水面下的对象。