网络释义英英释义
... x Sin x x x Sin x x x 第五节 函数的微分 (Differential of a Function) 导数是从函数对自变量变化的速度来研究; 而微分则是直接研究函数 的增量，这有许多方便之处。
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Differential of a function
- abstract: In calculus, the differential represents the principal part of the change in a function y = f(x) with respect to changes in the independent variable. The differential dy is defined by
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