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求基于Biot模型的饱含流体介质的速度和衰减。(Solve the equation of Biot high-frequency and low-frequency equation based on Biot's paper(1956a,b) and calculate the seismic velocity and attenuation of the fluid-saturated medium.)

Bandpass Filters A band pass filter is an electronic circuit that allows the passage of a Frequency range of a signal and attenuates the remaining frequencies. We present three bandpass filters that added deliver the audible spectrum By the human

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