名词
中文翻译：非常低频的
同义词：
['extremely-low-frequency', 'extremely-low-frequency']
例句：
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1. The very-low-frequency waves are difficult to detect.
非常低频的波很难被检测到。
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2.The frequency of this type of signal is very-low.
这种信号的频率非常低。
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3. In the study, we found that the very-low-frequency radiation had a significant impact on the health of the subjects.
在研究中，我们发现非常低频的辐射对受试者的健康产生了显著影响。