Nominality虚置化nominaladj.名义上的；象征性的；名词性的n.名词词组Nominal Rigidities名义刚性nominal definition名词性定义nominal resistance标称电阻nominal zero point标称零点nominal tape speed标称带速nominal deflection名义转折角nominal controller名义所有人nominal line pitch标称螺距nominal light flux额定光通量nominal air volume名义风量