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excitation lifetime
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excitation lifetime
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释
excitation lifetime
激发态寿命
处于激发态的原子回到基态或低激发态需要的时间。每个原子(分子或离子)在激发态停留的时间并不相同,但大量同种激发态原子的平均停留时间是确定的,激发态寿命指的就是这个平均寿命。
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uniprimitive permutation group
unique
unique continuation theorem
unique decipherability
unique decodability
unique decodable code
unique decomposition theorem
unique ergodicity
unique existence
unique existence theorem
unique factor
unique factorization
unique factorization domain
unique factorization property
unique factorization ring
unique factorization theorem
unique forbidden transition
unique IP
uniquely complemented lattice
uniquely decipherable code
uniquely decodable code
uniquely decodable distance
uniquely defined convex surface
uniquely determined surface
uniquely differentiable function
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