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莱曼α丛
释义
莱曼α丛
Encyclopedia
理学
星系际介质
释
Lyman-α forest
莱曼α丛
在作为背景(距离较远)的类星体光谱中, 由观测者到类星体视线方向之间的星际介质里中性氢所产生的相对弱的莱曼α吸收线信号。又称莱曼α森林。
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axiom of comprehension
axiom of congruence
axiom of connection
axiom of constructibility
axiom of constructivity
axiom of continuity
axiom of countability
axiom of countable choice
axiom of denumerability
axiom of dependent choice
axiom of determinacy
axiom of determinacy (AD)
axiom of domination
axiom of elementary sets
axiom of empty set
axiom of equality
axiom of existence
axiom of extensionality
axiom of foundation
axiom of free mobility
axiom of identity
axiom of inaccessibility
axiom of incidence
axiom of induction
axiom of inequality
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