A.技術(shù)規(guī)模經(jīng)濟；財務(wù)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(wù)規(guī)模經(jīng)濟；管理規(guī)模經(jīng)濟；采購規(guī)模經(jīng)濟；風(fēng)險規(guī)承擔(dān)規(guī)模經(jīng)濟
C.技術(shù)規(guī)模經(jīng)濟；財務(wù)規(guī)模經(jīng)濟；管理規(guī)模經(jīng)濟；風(fēng)險承擔(dān)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(wù)規(guī)模經(jīng)濟；管理規(guī)模經(jīng)濟；采購規(guī)模經(jīng)濟；風(fēng)險承擔(dān)規(guī)模經(jīng)濟以及研發(fā)規(guī)模經(jīng)濟