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200年来，科学家最接近万有引力常数G的一次

 5 years ago
source link: https://tech.sina.com.cn/d/i/2018-09-18/doc-ihkhfqns3205783.shtml
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来源：Nature自然科研控制引力相互作用强度的万有引力常数G很难准确测量。现在，一支研究团队采用两种独立方法测出了截至目前常数G的最精确值。虽然引力在我们的日常生活中似乎很强，例如在举起重物时，但是它是四种基本力中最弱的一种。两个物体之间

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