A.社會(huì)經(jīng)濟(jì) B.社會(huì)生產(chǎn)力 C.生產(chǎn)技術(shù) D.生產(chǎn)規(guī)模
A.5~10 B.10~15 C.15~20 D.20~25
A.10~20 B.15~20 C.16~18 D.18~20