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A.外部規(guī)模經(jīng)濟(jì)B.內(nèi)部規(guī)模經(jīng)濟(jì)C.規(guī)模經(jīng)濟(jì)D.規(guī)模不經(jīng)濟(jì)
A.研發(fā)規(guī)模經(jīng)濟(jì)B.財(cái)務(wù)規(guī)模經(jīng)濟(jì)C.管理規(guī)模經(jīng)濟(jì)D.采購(gòu)規(guī)模經(jīng)濟(jì)