A.拉分盆地B.階梯狀斷層C.盆嶺構(gòu)造D.裂谷
A.奧陶紀(jì)B.震旦紀(jì)C.寒武紀(jì)D.二疊紀(jì)E.石炭紀(jì)
A.1cmB.1mmC.2mmD.2cmE.0.5cm