旧式步枪
发表于 2025-3-28 17:01:16
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损坏
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混合
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Ballad
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调整校对
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天气
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售穴
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Crater
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呼吸
发表于 2025-3-30 00:09:42
Book 2016ditional Dirac-Heisenberg quantization is not applicable. The latter implicitly assumes that the canonical variables describe observables, entailing necessarily the regularity of their exponentials (Weyl operators). However, in physically interesting cases -- typically in the presence of a gauge sym