一: one阶: steps; stairs导数: derivative; differential coe ...滴定: titration二阶导数滴定: second order derivative titration向一阶导数: u first derivative一阶导数: first derivative; first-order derivative一阶导数光谱法: first-derivative spectroscopy一阶导数双波长法: first-derivative dual-wavelength method二阶导数电位滴定: second-derivative potentiometric titration; second-derivative potentiometric titriation一阶导数差示脉冲极谱法: first-derivative differential pulse polarography一阶导数分光光度法: first derivative spectrophotometry阶导数: derivative of n th order; n th derivative; th derivative对数滴定: logarithmic titrationn阶导数: derivative of n th order二阶导数: second derivative; second-order derivative高阶导数: derivative of high order; derivative of higher order; derivatives of higher order; higher derivative; higher order derivative最高阶导数: highest derivative二阶导数谱学: second derivative spectroscopy测深面二阶导数: second derivatives of the bathymetric surface二阶导数检验法: secondderivative test二阶导数近似式: second derivative approximation重力位的二阶导数: second order derivative of gravity potential一阶垂向导数: first vertical derivation一阶空间导数: first order spatial derivative
