ADC 《略》 advanced developing country [countries]; 《豪》 Aboriginal Development Commission; Aid to Dependent Children; Aerospace Defense Command (米国)航空宇宙軍《旧名称は Air Defense Command 防空空軍; cf. ADCOM》; Amateur Dramatic Club (Cambridge 大学の)素人演劇部[団] 《1855 年創立》; automatic digital calculator; assistant division commander.