The conclusions are important in practice using as design suggestions . secondly , the stiffness matrixes ( special of the cable element ) and computer program can be applied into resolving not only the problem of stable type suspension bridge but also a kind of engineering structures , such as suspension wire structures 二是文章中推导的刚度矩阵(特别是索单元) ,以及编写的相应的静动力程序,不仅可以用于解决稳定型悬索桥的分析,而且还可解决一大类工程结构的计算问题,例如:悬索结构等。