It can be also handled with clear conception and simple calculation without solving simultaneous equation.

本文提出的方法，概念清晰，计算简单，可省去解联立方程所花费的工作量。

By using the condition of displacement harmony, the shear stress is gained by solving a truncated set of simultaneous equation.

利用位移协调条件，列出有限多组联立方程。解出含裂粘补结构胶层剪应力。

But it becomes convenient by adopting the method of dimension-falling to solve nonlinear simultaneous equation to carry on four-poled component calculation based on the given stroke.

依据给定的冲程，采用降维法求解非线性方程组设计抽油机四杆机构的参数，计算简便。