Entirety
发表于 2025-3-25 06:25:11
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commodity
发表于 2025-3-25 09:07:32
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rheumatology
发表于 2025-3-25 14:10:30
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Occupation
发表于 2025-3-25 16:28:10
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Communicate
发表于 2025-3-25 21:44:24
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时间等
发表于 2025-3-26 00:38:25
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惊呼
发表于 2025-3-26 07:42:05
Josef von Stackelberg,Manfred Schmochly in urban areas. Noise is one of the most negative impacts of transport affecting the quality of the environment. It affects a large number of people as it often causes annoyance and irritation which affect various human activities. Noise pollution had been treated as a public health concern by World Health Organization.
珐琅
发表于 2025-3-26 11:33:44
Josef von Stackelberg,Manfred Schmocholymeric microbubbles investigated, the measured resonance frequency was around 4 times higher than predicted by the theory for free gas-bubbles. This shift in resonance frequency was explained by the influence of the shell. The shell makes the bubble stiffer, and shifts the resonance frequency upwards.
漫步
发表于 2025-3-26 13:06:23
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道学气
发表于 2025-3-26 16:48:36
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