General method of surface structuresurvey is difficult to know the structure of the seabed in detail.
常规的表层结构调查方法受到限制，无法详细了解海底结构。
2
Conventional surface structuresurvey methods such as weathering refraction shooting and uphole shooting are restricted to a certain point.
常规表层结构调查方法如小折射和微测井等，都是解决一个点上的问题。
3
Taking geological survey in Nanpanjiang as an example, we discuss application of synthetic geophysical exploration methods in geological structuresurvey of surface layers in this paper.