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- We present existence theorem for pseudo almost periodic solutions with piecewise constant argument by means of unique decomposite character and for pseudo almost periodic sequence solutions of relevent difference equations. 摘要利用伪概周期函数唯一分解性质，研究相关差分方程的伪概周期序列解，并以此为工具得出一类带逐段常变量微分方程伪概周期解的存在唯一性。
- asymptotically almost periodic sequence 渐近概周期序列
- asymptotically almost periodic sequences 渐近概周期序列
- almost periodic sequence 概周期序列
- Why are the version numbers not in any particular periodic sequence? 为什么版本号不是按照任何特定的周期序列?
- Existence of almost periodic solutions for a class of pendular equations. 一类摆动方程概周期解的存在性。
- The separability of asymptotically strongly periodic function space and asymptotically periodic sequence space are also discussed. 研究了渐近强周期函数空间、渐近周期序列空间的可分性质。
- By using properties of scalar almost periodic function, properties of uniform almost periodic matrix function are discussed. 摘要利用纯量概周期函数性质讨论了一致概周期矩阵函数的一些性质。
- The existence of periodic solutions for a class of impulsive differential equations of mixed type is studied by constructing periodic sequence solutions of difference equations. 通过构造差分方程的周期序列解，研究了一类混合型脉冲微分方程周期解的存在性.
- Since H. Bohr proposed the theory of almost periodic function, this field has been developed greatly. Bohr提出概周期函数理论以来;这一领域得到了很大的发展;其发展过程的一个主要特点就是其函数范围不断扩大.
- The authors investigate the Fourier series of Weyl almost periodic functions by the new definition and prove the Parseval's equality. 通过新形式的定义研究范尔概周期函数的傅立叶级数和帕塞瓦尔等式。
- A nonlinear Volterra integrodifferential equation is investigated. The existence and uniqueness of almost periodic solutions for the equation is obtained. 研究非线性Volterra方程概周期解,得到方程存在唯一概周期解的一组充分条件。
- Using the method of topological degree, we prove the existences of positive almost periodic solutions for a generalizaed infectious diseases model equation. 摘要给出推广的传染病方程正概周期解存在的一个定理，并用拓扑度方法给出简洁的证明。
- The computation of lyapunov exponent with different parameters shows that there were double periodic, almost periodic and chaotic motion behavior in this system. 通过对系统李雅普诺夫指数的计算，发现了该系统存在倍周期、概周期运动以及混沌运动现象。
- Another definition of Weyl almost periodic functions is introduced by using trigonometric polynomial. it is proven that the equivalence of these two definitions. 摘要利用三角多项式给出范尔概周期函数新形式的定义，并证明两个定义方式的等价性。
- Periodic Sequence and It's Applications 周期数列及其应用
- The results of Berger and Chen are extended. And the variational method is proved to be available to solve the existence and uniqueness of the almost periodic solutions of nonlinear Duffing equations with damping. 推广了Berger和Chen的结果,证明了经典的变分方法对于解决带阻尼的非线性Duffing方程有界解的存在唯一性问题是同样适用的。
- The present paper is concerned with the module containment of almost periodic solution for a nonautonomous, singularly perturbed differential equations with piecewise constant argument. 提示：该介绍信息是由机器自动翻译完成，我们不保证机器翻译的正确度，也不对由于内容的误译或者客户对它的错误使用所引起的任何直接的,或间接的可能的问题负责。
- For a dynamic system, if there is a (quasi) weakly almost periodic point but not an almost periodic point, then there exists a subsystem which is chaotic in the sense of revised Devaney. 摘要得到一个动力系统如果存在非几乎周期的（拟）弱几乎周期点，则存在子系统在修改的狄万内意义下是混沌的。
- It's almost impossible to agree on a unified basic price. 几乎不可能商定一个划一的基本价格。
