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中文摘要：
研究了二次和三次齐次Hamiltonian系统的1：-2共振奇点的可线性化问题，并利用计算机代数系统求出原点作为鞍点的1：-2型系统可积性与可线性化的必要条件，得出系统可线性化的条件．
英文摘要：
In this article, Linearizable conditions for secondary and three homogeneous Hamihonian systems with 1 ： -2 resonant singular point are studied. Then following the computer algebra system, the sufficient conditions are proved, namely we obtains all integrable conditions and linearzable conditions for the system.
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