TSP地震波反射法、负视速度法对断层、软硬岩接触面等面状结构反射信号较为明显。每次预报的距离宜为( ),连续预报时,前后两次应重叠(B)以上。
A.50~100m 20m B.100~150m 10m C.150~200m 30m D.120~150m 30m正确答案B
TSP地震波反射法、负视速度法对断层、软硬岩接触面等面状结构反射信号较为明显。每次预报的距离宜为( ),连续预报时,前后两次应重叠(B)以上。
A.50~100m 20m B.100~150m 10m C.150~200m 30m D.120~150m 30m正确答案B