Nonstiff equations are solved by an explicit linear multistep approach while an implicit linear multistep approach is used for the stiff part of the system.

• 该方法将系统分割与方法分割的并行化方法相结合，采用显式线性多步方法求解非刚性子系统，采用隐式线性多步方法求解刚性子系统。