second derivative meaning in English
二次导数
二阶导数
Examples
- The function (f')is usually written simply f" and is called the second derivative .
函数（f’）通常简写成f”，并称之为f的二阶导数。 - A class of stiffly stable k - step second derivative methods of order 2k
1阶刚性稳定的二阶导数方法 - Voltammetric behavior of venoruton and its determination by second derivative convolution voltammtry
维脑路通的伏安行为及其二阶导数卷积伏安法测定 - Study on method of determination of the content of sesame oil by second derivative ultraviolet spectrophotometry
用二阶导数紫外分光光度法直接测定芝麻油含量 - Bar code recognition is a matter of edge detection , which has long been done through the maximum value of the first derivative or zero crossing of the second derivative
条码识别是一个边缘检测问题。长期以来，边缘检测都是通过一阶导数极大值或二阶导数零交叉进行的。