derivativen.派生物；衍生字；导数adj.派生的；(贬)非独创的；庸乏的derivative money派生货币derivative lease派生租赁derivative phase诱导期derivative works派生性作品derivative plans细节计划derivative fibre衍生纤维derivative title衍生的所有权derivative value衍生价值derivative trust次倍信托, 从属信托Derivative Tools衍生工具