Because of effect under combined underground and open pit mining, mechanism about superimposition of deformation and change behavior depends on respectively amount of both mining methods.

• 由于在地下与露天复合开采影响下， 两种采动影响域中的一部分相互重叠， 致使其采动效应相互作用和相互叠加， 从而组成一个复合动态系统。