陶器
发表于 2025-3-23 09:55:29
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刺耳
发表于 2025-3-23 14:16:14
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防水
发表于 2025-3-23 21:44:35
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Macronutrients
发表于 2025-3-24 01:53:41
https://doi.org/10.1007/978-3-319-18138-7 this book. There are, however, certain situations in which they can be considerably simplified. Consider a quantity called the vorticity ., which is a measure of the rotation of a fluid particle about its axis (normal to the plane of flow; in 3-d the vorticity is a vector).
Ankylo-
发表于 2025-3-24 02:56:51
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Excitotoxin
发表于 2025-3-24 08:19:00
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极小量
发表于 2025-3-24 13:04:59
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死猫他烧焦
发表于 2025-3-24 17:56:03
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MAUVE
发表于 2025-3-24 20:37:37
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厚颜
发表于 2025-3-24 23:38:12
https://doi.org/10.1007/978-3-319-18138-7e for suspended sand is . in which the sediment flux in vertical direction is . where . and . are the horizontal and vertical coordinates, . is the turbulent diffusion coefficient and . the settling velocity or fall velocity of the sand particles.