derivativelyadv.衍生地derivativen.派生物；衍生字；导数adj.派生的；(贬)非独创的；庸乏的derivative of cinnamic acid肉桂酸衍生物derivative titration method差示滴定法Derivative pulse vohammetry微分脉冲伏安法derivatives of progesterone孕酮衍生物derivative thermogravimetry微商热重法derivative vector invariant导矢恒定derivativespectrophotometry导数光度法derivatives of higher order高阶导数Derivatives of nitrobenzene硝基苯衍生物derivative thermal analysis导数热分析