(2) 主要噪音源(Primary Noise): 采用B&K OmniPower TM Sound Source Type 4296 十二面体喇叭。
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四极声源(30)一种分成四部份而相位交替振动的噪音源。
Quadrupole source (30) a noise source in which four parts vibrate alternately in phase.
诱发听力损伤的最常见的噪音源包括爆炸、电动工具、音乐以及常用机械。
The most common sources of noise-induced hearing loss include explosions, power tools, music and common machinery.
重点讨论了场值中有较大随机干扰、有不同类型的地质噪音源影响下的反演结果。
Emphasis is put on the inversion result under the influence of major random noise and a variety of geological noise sources in the field.
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