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Encyclopedia
理学
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释
selection rule
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物理学中（如原子分子光谱学和核物理学）规定系统从一种量子态到另一种量子态的可能跃迁的规则。只有遵从选择定则的量子态之间的辐射跃迁才是可能的。
Physics
相对论、量子理论、量子信息
量子理论
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＞理论物理学＞量子力学＞释义
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＞原子与分子物理学＞原子光谱和原子－光相互作用＞释义
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Astronomy
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contraction relation
contraction semigroup
contraction theorem
contractive
contractive coefficient
contractive factor
contractive linear operator
contractive mapping
contractive-mapping principle
contractive operator
contractive operator-valued function
contractive semi-group
contractive semigroup
contractivity
contract law
Contract Law of the People's Republic of China
contract learning
contract management of water conservancy project
contract management system
contract of charter party
contract of novation
contract of towage by sea
contract of transferring land use right by government and by non-government
contractor
contractor liability insurance
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更新时间：2025/12/12 15:28:55