second order derivative titration二阶导数滴定;释义二阶导数滴定
second d derivative二阶导数
second order derivative osillopolarography二阶导数示波极谱法
second partial derivative二阶偏导数
second order derivative uv二阶导数
second-derivative spectra二阶导数光谱法
second order derivative spectrum二阶导数谱
second time derivative二阶时间导数
second order derivative term二阶导数项
Traditionally, the method of bar code recognition is based on zero crossing of the second derivative.
传统的条码识别方法是通过二阶导数零交叉来定位条码边界。
参考来源 - 基于迭代计算的二值波形反卷积 in C