Based on the data from two MT sounding trial sections in Fushan sag of northern Hainan,the sag is divided into five electric layers from top to bottom and the respective geological attributes can be determined.

• 根据琼北福山凹陷两条大地电磁测深试验剖面，可将凹陷自上而下分为5个电性层，并确定其对应的地质属性。