提出万有引力定律的第一位科学家是艾萨克·牛顿。
The first scientist to work out the law of gravity was Issac Newton.
牛顿第二定律及万有引力定律是根据实验结果总结出来的。
Newton's second law and the law of gravity are summarized with experimental results.
牛顿第二定律及万有引力定律是根据实验结果总结出来的。
Newton's second law and the law of gravity are summarized with experimental results.
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