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声波探测仪
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声波探测仪
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sonic detector
声波探测仪
通过向岩体、岩石、混凝土等发射声脉冲,接收声场经介质传播的声波信号,并分析介质的时间、能量、频率等声波变化的观测仪器。
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algebraic non-expressibility
algebraic norm
algebraic notation
algebraic number
algebraic number field
algebraic number theory
algebraic object
algebraic operation
algebraic operation of matrices
algebraic operator
algebraic optimization
algebraic Peano error representation
algebraic point
algebraic polynomial
algebraic power series
algebraic P/poly
algebraic probability space
algebraic probability theory
algebraic programming
algebraic projective geometry
algebraic property
algebraic property test
algebraic quotient group
algebraic reduction
algebraic relation
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