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- By Hurwitz criterion, we prove the existence and local stabilities of the positive periodic solution. 利用Hurwitz判据得到了地方病平衡点的存在性及局部稳定性。
- The Positive Periodic Solution 正周期解
- By using a fixed point theorem in cones, we investigate a second-order equation and the theorem of existence of unique positive periodic solution is given. 摘要应用不动点定理，研究了一类二阶时滞微分方程，给出了其唯一周期正解的存在性定理。
- The positive equilibrium is unstable and the system bifurcates a spatial periodic solution of small amplitude if the dispersal rate is located in an interval. 当扩散率增大且位于某一开区间内变化时, 该系统的正平衡点是不稳定的, 而且分出唯一的小振幅空间周期解;
- Sufficient conditions are obtained for the global existence of a positive periodic solution of periodic neutral delay predator-prey system by using the method of coincidence degree theory. 利用重合度理论建立了一类周期中立型时滞捕食者-食饵系统正周期解的全局存在性的充分条件.
- A Positive Periodic Solution of a Food Chain System 一类食物链条系统的正周期解
- almost positive periodic solution 概周期正解
- Baaed on the fixed point theorem of two-point extension type, sufficient conditions are derived for the existence of positive periodic solutions of delay difference equations. 摘要利用两点拉伸型不动点定理给出一阶时滞差分方程周期解存在性的充分条件。
- Global positive periodic solution 全局周期正解
- By using the continuation theorem of topology degree theory and properties of nonsingular M-matrix, we obtain sufficient conditions for the existence of positive periodic solutions of this system. 利用拓扑度理论中的连续定理以及M-矩阵的性质获得了该系统正周期解存在的充分条件。
- By using a fixed point theorem in cones, sufficient conditions are obtained for the existence of multiple positive periodic solutions for a class of difference equations with state-dependent delays. 本文利用锥不动点定理,得到一类具时滞状态依赖差分方程多周期解的存在性的充分条件,且我们的结果推广和改进了原有的结果。
- The girl is quite suited for the position [work]. 这姑娘很适合担任这个职务[这个工作]。
- Chapter two establishes easily verifiable sufficient criteria for the existence of positive periodic solutions of the generalized ecological competition system with impulse and infinite delay. 第二章证明本文的主要结果，建立所研究系统存在正周期的充分性判据；
- He was exalted to the position of general manager. 他被提升到总经理的职位。
- He is the only person for the position. 他是担任此职位的最佳人选。
- The position of a figure in a numeral or series. 位某一数列中一个数目的位置
- Look about and decide if you like the position. 你考虑一下，然后决定是否想要这个职位。
- A Positive Periodic Solution to a Class of Neutral Delay Logarithmic Model 一类中立型对数种群模型的周期正解
- There were five applicants for the position. 有五人申请那个职务。
- She is the right person for the position. 她是那个职位的合适人选。
