现存
发表于 2025-3-30 08:52:54
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aphasia
发表于 2025-3-30 16:26:48
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带伤害
发表于 2025-3-30 17:17:42
Auf der Suche nach neuer Sicherheituter program that includes diffraction in the simulation of acoustic pulse propagation in complex 3D media (Sandvin, Pedersen, Gjøystdal, 1984). The programs are based on a generalized Kirchhoff approximation of the diffraction integral for inhomogeneous media. The approximation utilizes a dynamic r
tympanometry
发表于 2025-3-30 21:59:06
Zur Ökonomie der Inneren Sicherheit. Ample attention is paid to the experimental setup, model sizing and model materials. Spectral analysis and modeling together with ray-tracing modeling prove to be invaluable interpretation tools. Examples are presented for two seam layer models and a wedge model.
人充满活力
发表于 2025-3-31 04:21:39
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colony
发表于 2025-3-31 06:25:25
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隼鹰
发表于 2025-3-31 09:47:32
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规范就好
发表于 2025-3-31 14:31:29
Marc Buggeln,Sebastian Lotto-Kuscheasured resonant frequencies (fundamental and overtones). The shifts in the resonant frequencies of the structure (e. g., a rod) due to a material inhomogeneity (computed relative to the frequencies of the homogeneous state) are shown to bear a simple relation to the coefficients in a Fourier expansi
不感兴趣
发表于 2025-3-31 18:23:30
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Genistein
发表于 2025-4-1 00:47:43
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