Homocystinuria
发表于 2025-3-23 11:37:07
https://doi.org/10.1007/b137983 For continuously loaded line arrays we further substituted the source strength of the individual sources with a length-specific source-strength load, .. The source-strength load has the dimension ..It seems natural to extend this method to area radiators like oscillating mem
PACT
发表于 2025-3-23 15:45:24
Werner Hauger,Wolfgang Wall,Ewald Wernern is.Its solution for the forward-progressing plane wave can be expressed as .The assumption of a lossless medium, however, is an idealization. There is always some loss of acoustic energy when sound propagates in real media. This is the so-called . of sound energy into thermal energy. Dissipation c
座右铭
发表于 2025-3-23 20:48:09
Aufgaben zu Technische Mechanik 1-3nd fields inside rooms with complicated shapes like concert halls or churches. An approximate method called . is often useful in these cases..This method considers sound propagation in terms of so-called.. Sound rays were already introduced in Section 10.4, where a ray symbol was used to designate t
Interferons
发表于 2025-3-23 23:06:42
https://doi.org/10.1007/3-540-33870-5edominantly based on reflection caused by impedance discontinuities in possible transmission paths. Dissipation and absorption may also play a role in sound isolation, but it is usually minor. Another term for sound isolation is . because the sound is, so-to-say, “dammed in”..Sound isolation must no
Insubordinate
发表于 2025-3-24 05:34:52
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MUT
发表于 2025-3-24 09:49:07
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性满足
发表于 2025-3-24 12:55:56
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CLAM
发表于 2025-3-24 15:26:25
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同来核对
发表于 2025-3-24 22:46:00
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消音器
发表于 2025-3-25 00:10:45
Front Matter to modify output either in quantity or type. These options are also open to the capitalist, but neither is likely to be as effective for the purpose of expanding value as joining in the battle of competition. Marx stressed that this battle is fought by the cheapening of commodities through reducing