first derivative differential equation
first derivative differential equation
一阶导数微分方程
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In unsolved derivative first-order differential equations, this paper is based on Lagrange equation and Clairaut equation, and popularizes them.
另一种是在未解出导数的一阶方程中，在拉格朗日方程、克策洛方程解法的基础上更加广泛的推广。
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