Pressure difference and Cd concentration fluctuation may cause the noise to increase many times with the latter mainly enhancing the noise in the low frequency range.
气压差及镉浓度波可使噪音增大很多倍，浓度波主要增强了低频噪音。
Pressure difference and Cd concentration fluctuation may cause the noise to increase many times with the latter mainly enhancing the noise in the low frequency range.
气压差及镉浓度波可使噪音增大很多倍，浓度波主要增强了低频噪音。
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