二阶: second order导数: derivative; differential coe ...谱: table; chart; register学: study; learn二阶导数: second derivative; second-order derivative二阶导数滴定: second order derivative titration测深面二阶导数: second derivatives of the bathymetric surface二阶导数电位滴定: second-derivative potentiometric titration; second-derivative potentiometric titriation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二阶导数分光光度法: second-derivative spectrophotometry阶导数: derivative of n th order; n th derivative; th derivativen阶导数: derivative of n th order高阶导数: derivative of high order; derivative of higher order; derivatives of higher order; higher derivative; higher order derivative向一阶导数: u first derivative一阶导数: first derivative; first-order derivative最高阶导数: highest derivative一阶导数滴定: first derivative titration; first order differential titration导数光谱学: derivative spectrometry一阶导数光谱法: first-derivative spectroscopy一阶导数双波长法: first-derivative dual-wavelength method二阶时间导数: second time derivative高阶导数分光光度计: higher derivative spectrophotometer一阶导数差示脉冲极谱法: first-derivative differential pulse polarography
