国家自然科学基金项目“南海东北部三维精细地壳结构及其对岩浆活动和构造属性的约束”编号:91328206和“南海西北部琼东南盆地深部地壳结构及其构造响应”编号:41576041资助.Project supported by the National Natural Science Foundation of China "Three-dimensional active-source seismic tomography of crust in northeastern South China Sea and its constraints in magmatism and tectonics"No.91328206and "The deep crustal structure and its tectonic response of the Qingdongnan Basin in the northwestern SCS" No.41576041.