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[{"ID":42422,"Name":"理学"},{"ID":87272,"Name":"天文学"},{"ID":87495,"Name":"宇宙学"},{"ID":87498,"Name":"宇宙的未来"},{"ID":87500,"Name":"宇宙膨胀"}]
哈勃常数
/Hubble constant/
最后更新 2022-01-20
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