能够对二维桁架进行静力分析，快速求解二维桁架静力问题，适用于复杂大型二维桁架结构静力学问题(The static analysis of two-dimensional truss can be used to solve the static problem of two-dimensional truss, and it can be applied to the statics of complex and large two-dimensional truss structures.)

对动态系统辨识理论做了概括性的介绍，包含了常用的非参数系统辨识方法和参数辨识方法，并将神经网络人工智能算法应用到复杂系统参数识别，适用于系统控制、参数识别与数据预测等领域的学习。传统方法与现在智能算法都配有实例，每个代码文件都有详细注释。(This paper gives a general introduction to the dynamic system identification theory, including commonly used non-parametric system