The usual internal friction instrument is low-frequency mechanical relaxation instrument.
通常的内耗仪，应为低频力学弛豫谱仪。
From the experiments of low frequency sub resonance vibration for different fluid saturated rocks, the internal friction peak was found to be a typical relaxation peak.
通过饱和多孔岩石的低频亚共振试验，得到了饱和多孔岩石的内耗峰是典型的弛豫峰的结论。
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