The characteristics of the eigen value problem of general viscoelastic structure are analyzed and its modal analysis method is put forward in this paper.
分析了一般粘弹结构特征值问题的特点，建立了一般粘弹结构的模态分析方法。
The stability issues include two categories. The first stability issue which can be attributed to Eigen value problem is easy to calculation and have a great important to the engineering.
稳定问题可分为两类，第一类稳定问题计算简单，最后可归结为特征值的问题，具有重要的工程意义。
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