soundintensitydecay
... soundintensity声强 音强 soundintensitydecay声强衰减 soundintensityfluctuation声强起伏 ...
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目的研究凹球面超声换能器的声焦域在高声强和媒质有较大衰减情况下，其形状和几何位置的变化。
Objective the variations of the site and shape of focal region for a concave spherical ultrasound transducer in the case of high sound intensity and stronger attenuation were studied.
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