This paper debates about the two definitions of reduced form for a linear simultaneous equation model.

本文探究经济计量学联立方程模型关于简约式定义的两种观点。

The tariff elasticity obtained from the simultaneous equation is bigger than it from the single equation.

通过联立方程对理论模型进行分析，得出的关税弹性要高于农产品进口单方程的结论。

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。

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。

These substantial evidences analysis includes following three aspects:First, this paper built one simultaneous equation model of Shanghai City commercial housing sales price.

这些实证分析包括以下三个方面：第一，建立了一个上海市住宅一级市场商品住宅价格联立方程模型。