过分自信
发表于 2025-3-30 11:12:56
Chongjian Wusräumen in der Lage, die Präadaptationen für das Leben ohne Licht besitzen, d.h. die Tiere müssen in der Lage sein, auch bei Ausfall der optischen Orientierung ihre Nahrung zu fmden und sich zu paaren.
整体
发表于 2025-3-30 14:50:38
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咽下
发表于 2025-3-30 18:35:47
,The Basic Theory of Structure–Borne Noise, this chapter. The vibration modes and natural frequencies of beams and plates are discussed and then the sound pressure, sound power, and sound radiation efficiency of simple structures are analyzed and discussed.
就职
发表于 2025-3-30 21:30:51
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宽容
发表于 2025-3-31 01:32:21
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bile648
发表于 2025-3-31 06:36:11
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压碎
发表于 2025-3-31 10:15:58
2195-9862 bines 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
地牢
发表于 2025-3-31 14:03:15
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初学者
发表于 2025-3-31 19:45:14
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LEERY
发表于 2025-3-31 23:38:06
Basic Theory of WPA,thematical practice, nor that doth more molest and hinder calculators, than the multiplications, divisions, square and cubical extractions of great numbers, which besides the tedious expense of time are for the most part subject to many slippery errors, I began therefore to consider in my mind by wh