A.縮小公差 B.減少偏離量 C.降低離散度 D.適當(dāng)加大公差
A.社會(huì)主義B.農(nóng)業(yè)社會(huì)C.科技社會(huì)D.經(jīng)濟(jì)社會(huì)
A.經(jīng)濟(jì)B.安全C.發(fā)展D.主權(quán)