The difference between an ordinary and a partial derivative was at first not explicitly recongized.
通常的导数与偏导数的区别在一开始并未被人们明确地认识.
辞典例句
Extremal multi - function, multi - function partial derivative method.
多元函数的极值, 多元函数偏导数的求法.
互联网
We also give the matrix forms of the interface partial derivative with multiple complex interfaces.
给出了任意多个复杂界面情况下,反演时所需的走时对界面偏导数系数矩阵.
互联网