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导数/微积分中符号 d 有什么意义？是如何参与运算的？
导数/微积分中符号 d 有什么意义？ 是如何参与运算的？ 我对它的功能一直不太了解…既然 d 表示所谓的无穷小变化量，那对 d 进行运算又有什么意义？ 比如用位移对时间的二阶导数来表示加速度，写成 …
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微积分中，符号 d 与符号 ∂ 的区别是什么？ - 知乎
Jan 7, 2014 · 微积分中，符号 d 与符号 ∂ 的区别是什么？ 自学经济学，看到高鸿业书上的微分方程，有的时候用 d 有的时候用∂，搞不懂 d 与 ∂ 的区别，微积分是大一的时候学的，早就不记得了。 假设： …
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