1、
Infrasonic observations of open ocean swells in the Pacific: Deciphering the song of the sea.
在太平洋里大洋涌(长浪)次声观测: 译解海地歌曲.
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2、
Another haunted and related natural phenomenon is known as frequency infrasonic sound waves.
另一种与闹鬼相关的自然现象是称作次声的低频声波.
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3、
