向宇宙
发表于 2025-3-26 22:07:17
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娴熟
发表于 2025-3-27 02:48:35
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人类的发源
发表于 2025-3-27 06:17:50
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危险
发表于 2025-3-27 13:23:42
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DEMN
发表于 2025-3-27 13:59:19
M. Oberbaum,J. Cambarructural change of wave packets, without explicit discussions of the propagation property of wave packets, which is possible only when the structure independence theorem discussed in Chapter 2 holds. However, when the structure independence theorem is not valid, we have to take the propagation prope
Epidural-Space
发表于 2025-3-27 17:56:29
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GLIB
发表于 2025-3-28 01:30:32
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Ingredient
发表于 2025-3-28 04:09:10
J. Benvenistebines theoretical and engineering case analysis with complexThis book is intended for researchers, graduate students and engineers in the fields of structure-borne sound, structural dynamics, and noise and vibration control..Based on vibration differential equations, it presents equations derived fr
ACTIN
发表于 2025-3-28 09:01:17
P. C. Endler,W. Pongratz,R. van Wijk,F. A. C. Wiegant,K. Waltl,M. Gehrer,H. Hilgersf- mance at very high frequencies suffers drastically from the material de?ciencies. As a result, engineers and scientists are relentlessly in search for the new types of materials, and composites which will meet the device performance requirements and not present any de?ciencies due to material ele
outrage
发表于 2025-3-28 12:17:53
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