A.技術(shù)規(guī)模經(jīng)濟;財務規(guī)模經(jīng)濟;管理規(guī)模經(jīng)濟;采購規(guī)模經(jīng)濟;研發(fā)規(guī)模經(jīng)濟
B.技術(shù)規(guī)模經(jīng)濟;財務規(guī)模經(jīng)濟;管理規(guī)模經(jīng)濟;采購規(guī)模經(jīng)濟;風險規(guī)承擔規(guī)模經(jīng)濟
C.技術(shù)規(guī)模經(jīng)濟;財務規(guī)模經(jīng)濟;管理規(guī)模經(jīng)濟;風險承擔規(guī)模經(jīng)濟以及研發(fā)規(guī)模經(jīng)濟
D.技術(shù)規(guī)模經(jīng)濟;財務規(guī)模經(jīng)濟;管理規(guī)模經(jīng)濟;采購規(guī)模經(jīng)濟;風險承擔規(guī)模經(jīng)濟以及研發(fā)規(guī)模經(jīng)濟