derivativesn.派生物；衍生物[数]导数.derivative的复数形式.derivativen.派生物；衍生字；导数adj.派生的；(贬)非独创的；庸乏的derivatives operation中间业务Derivative of anomaly异常导数derivative activities衍生经营活动derivative litigation派生诉讼derivative controller微分控制器derivative technology衍生技术derivative advantages派生性优势derivative restrictor差动开关,差动式限动器derivative estimation导数估计derivative acquisition继承取得