QUAIL
发表于 2025-3-25 06:03:54
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钝剑
发表于 2025-3-25 08:39:17
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harangue
发表于 2025-3-25 14:37:11
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贿赂
发表于 2025-3-25 16:19:20
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Interstellar
发表于 2025-3-25 22:20:36
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inflame
发表于 2025-3-26 00:54:14
Dirac Fields,Let . be a subspace of an algebra . with the property that the sum of elements in . is also in .: . is called a . if it is invariant under multiplication on both the left and the right by an arbitrary element of .: . is called a left (right) . if it is invariant under multiplication from the . (right) only.
HUMID
发表于 2025-3-26 06:49:57
Lorentz Transformations,Let . be a vector tangent to a point . in space-time. The scalar .. is a natural . for .. We call . if .. > 0, . if .. < 0, or . if .. = 0.
向宇宙
发表于 2025-3-26 10:29:12
David HestenesSpacetime Algebra (STA) provides a unified, coordinate-free mathematical framework for both classical and quantum physics.STA reduces electrodynamics to a single Maxwell equation with explicit kinship
良心
发表于 2025-3-26 13:14:38
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paroxysm
发表于 2025-3-26 19:29:52
Book 2005Latest edition, and the three asset price bubbles that occurred between 1985 and 2000 in Japan and other Asian countries. Selected as one of the best investment books of all time by the Financial Times, Manias, Panics and Crashes puts the turbulence of the financial world in perspective.