When he published his theories of mechanics, he recalculated them using the older, clunkier methods of al-Khwarizmi and his successors.
当发表他的力学理论时，他重新使用基本的代数方法进行证明。
When he published his theories of mechanics, he recalculated them using the older, clunkier methods of al-Khwarizmi and his successors.
当发表他的力学理论时，他重新使用基本的代数方法进行证明。
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