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