When the dip directions of the two layers were the same, the incident angle of the floor of the upper layer and the dip angle of the lower layer were deduced.

• 针对这一问题 ,根据平面波在二层均匀介质中的传播理论 ,当两介质层倾向一致时 ,用几何法推出上层底界面的入射角和下层底界面的倾角的公式 ,并确定角的正负 ,进而分析出通式 ;