A.抽象的數(shù)量關(guān)系 B.社會(huì)經(jīng)濟(jì)現(xiàn)象的規(guī)律性 C.社會(huì)經(jīng)濟(jì)現(xiàn)象的數(shù)量特征和數(shù)量關(guān)系 D.社會(huì)經(jīng)濟(jì)統(tǒng)計(jì)認(rèn)識(shí)過程的規(guī)律和方法