“Pontryagin theorem”的概念、定义、翻译、参考文献-科学参考

单词	Pontryagin theorem
释义	Pontryagin theorem Encyclopedia 理学时滞系统稳定性释 Pontryagin theorem庞特里亚金定理刻画线性时滞系统稳定性与特征根在复平面上的分布之间关系的数学定理。1942年由苏联数学家L.S.庞特里亚金（Lev Semyonovich Pontryagin，1908～1988）提出。
随便看	elliptic function of the third kind elliptic function theorem elliptic genus elliptic geometry elliptic group elliptic group modulo p elliptic harmonic space elliptic helicoid elliptic homology elliptic-hyperbolic elliptic hyperbolism elliptic hyperboloid elliptic hypergeometric series elliptic image ellipticine elliptic integral elliptic integral of the first kind elliptic integral of the second kind elliptic integral of the third kind elliptic integral singular value elliptic invariant elliptic inverse point elliptic inversion elliptic involution elliptic irrational function

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