A.跡象 B.事實(shí) C.知識(shí) D.智能 E.經(jīng)驗(yàn)
A.硬件設(shè)備的檔案管理 B.防電磁干擾 C.電源安全 D.介質(zhì)安全
A.具體對(duì)象和總體對(duì)象 B.專業(yè)對(duì)象和總體對(duì)象 C.技術(shù)對(duì)象和具體對(duì)象 D.個(gè)體對(duì)象和總體對(duì)象