The infrasound is a kind of 0.0001 -20 Hz unaudible sonic waves surrounding our environment which can induce various biologic effects on many parts of human body such as CNS, auditory system, heart,lung and liver to some extents.
次声是一种广泛存在于周围环境、频率为0.0001Hz到20Hz的不可听的声波，可引起多种生物学效应：对动物的中枢神经系统、听觉系统、心、肺、肝等都可产生不同程度的影响。
参考来源 - 内皮素在增生性玻璃体视网膜病变增生膜和实验性视网膜次声损伤中的表达·2,447,543篇论文数据，部分数据来源于NoteExpress
For me, it's how sonic waves and sound move— I love hearing orchestras and horn sections. It really can engulf you.
对我来说，这才是声音的奥义我喜欢听管弦乐，尤其是号声的部分，那真的可以让人醉心其中。
In borehole sonic logging, these may be the shear, flexural and Stoneley waves.
在井眼声波测井中，这些波是横波、弯曲波、斯通·利波。
It is necessary to process the waveforms of long spacing sonic logs and identify the associated guide waves.
但是必须对长源距声波测井波形进行处理，分辨出相应的导波。
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