Occupational noise-induced hearing loss (NIHL) is a progressively sensorineural hearing loss, a chronically acoustic damage, which caused by exposure to noise in the process of produce for a long time. Occupational NIHL is irreversible.
职业性噪声性聋是指因长期接触噪声生产作业而引起的一种进行性感音神经性听力损伤，是一种慢性声损伤，有一个慢性发展过程，即由生理性反应到病理改变的过程，当出现主观感觉时已影响到语频区，影响到作业工人的日常生活。
参考来源 - 锅炉制造业工人噪声性听力损伤的调查研究·2,447,543篇论文数据，部分数据来源于NoteExpress
科学家称，让关节发出“咔”的一声的力量足以给关节带来损伤。
Scientists say that the force involved in making fingers 'pop' is more than enough to cause damage.
在相同的频率和声压级水平下，次声的损伤作用与次声的暴露时间并非呈线性关系。
Under the same frequency and same sound pressure level, the infrasound damage on the brain didn't show linear correlation with the acting time of infrasound.
考虑到不同损伤存在形式，计算分析了损伤对振动频率、模态以及声辐射特性的影响。
Influences of various types of damages on natural frequencies, vibration modes, acoustic radiation power and directivity of sound are studied.
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