Stability related to theoretical model for catastrophic weather prediction that includes non-hydrostatic perfect elastic model, anelastic model was discussed and analyzed in detail.
详细讨论、分析了涉及灾害性天气预报的理论模式的稳定性，这些模式包括：非静力完全弹性方程组、滞弹性方程组。
Based on the principle of energy, the paper discusses the elastic stability of high pier with non-uniform section.
本文基于功能原理，讨论了变截面桥墩的弹性稳定性。
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