...词 : 金属橡胶材料；声学特性参数；吸声降噪[gap=1044]Keywords : Metal rubber material; Acoustic characteristic parameters; Sound absorption and noise suppression...
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岩块具有明显的非均质性，其声学特性参数离散性很大。
Rock block is heterogeneous and its acoustics property parameters have great dispersion.
心音信号的声学特性和某些波形参数之间很强的相关性为智能处理提供了可行性。
The strong correlation between the acoustic characteristics of heart sound signals and the parameters of some waveforms provides some feasibility for intelligent processing.
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