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声视界
释义
声视界
Encyclopedia
理学
宇宙微波背景辐射
释
sound horizon
声视界
宇宙演化到复合期时,其声速传播的重子密度涨落所能达到的最大距离。
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Cemetery at Qiaobei
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Cemetery at Yangfutou
Cemetery at Yangshan
Cemetery at Yangshe
Cemetery at Zhengjiaao
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