对组合梁弹性稳定性进行了分析。
很多弹性理论书显然没有把弹性稳定性理论写进去。
The theory of elastic stability is conspicuously absent from many books on the theory of elasticity.
本文基于功能原理，讨论了变截面桥墩的弹性稳定性。
Based on the principle of energy, the paper discusses the elastic stability of high pier with non-uniform section.
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