单项选择题
A.正断层B.逆断层C.背斜D.向斜
A.地震反射波振幅随炮检距变化B.地震反射波振幅随频率变化C.地震反射波振幅随相位变化D.地震反射波振幅随波形变化
A.Direct Hydrocarbon IndicatorB.Direct Hydrocarbon InterpretationC.Direct Hydrocarbon IndexD.Direct Hydrophone Indicator