中文说明：本程序主要是针对一九杆结构进行的动力学分析，用newmark法，威尔逊法，状态空间法，子空间迭代法等求解了结构动态响应，并给出了图像显示
English Description：
This program is mainly for the dynamic analysis of 19 bar structure. The dynamic response of the structure is solved by Newmark method, Wilson method, state space method and subspace iteration method, and the image display is given