现代工作的引力理论开始的工作，伽利略后期第16和17世纪初。

Modern work on gravitational theory began with the work of Galileo Galilei in the late 16th and early 17th centuries.

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现代工作的引力理论开始的工作，伽利略后期第16和17世纪初。

Modern work on gravitational theory began with the work of Galileo Galilei in the late 16th and early 17th centuries.

youdao