derivativen.派生物；衍生字；导数adj.派生的；(贬)非独创的；庸乏的derivative spectrum导数光谱derivative feedback微分反馈,导数反馈,微商反馈derivative strucure派生结构derivative antonyms派生反义词derivative function导函数derivative evidence[法] 派生证据derivative landlord[法] 转接地主Derivative-smooth微分-平滑derivative behavior衍生物性能derivative sampling微分采样