hypnotic
发表于 2025-3-23 09:42:04
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Capture
发表于 2025-3-23 15:47:00
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ANIM
发表于 2025-3-23 21:49:55
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incarcerate
发表于 2025-3-23 22:22:05
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构成
发表于 2025-3-24 02:46:29
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泥土谦卑
发表于 2025-3-24 10:01:13
Drama. Beiheft 3: Drama und GesellschaftScalar fields (see 1.1) and vector fields (see 1.2 and 1.5) are mathematical models derivedfrom laws of nature, among which we cite the following examples:
无所不知
发表于 2025-3-24 13:56:40
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GUEER
发表于 2025-3-24 18:17:01
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我悲伤
发表于 2025-3-24 19:20:58
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Overdose
发表于 2025-3-25 00:01:12
Bibliotheca Neerlandica extra murosThe energy of a vector field X is the scalar field defined by f = .∥X∥. Thus the energy of a vector field is created by the vector field and by the Euclidean structure δ. of R.. The energy ƒ has interesting properties imposed either by the behavior of the gradient, Hessian or Laplacian of ., or by the behavior of . along field lines.