查询词典 periodic

In chapter one, by using a competely continuous operator on cone and the Krasnoselskii fixed point theorem, we study the existence of positive periodic solutions of differential equations with impulses and delays, and some sufficient conditions will be given.

第一章讨论了一类具脉冲时滞微分方程周期正解的存在性，通过建立锥上的全连续算子，利用Krasnoselskii不动点定理，得到了存在周期正解的若干充分条件。

Also, by using exponential dichotomy, contraction map theorem and matrix theory, some sufficient conditions are obtained to ensure the existence and global exponential stability of almost periodic solution for MAM neural network with distributed delays.

利用矩阵的谱半径、指数二分法结合运用压缩映射原理获得了分布时滞多向联想记忆神经网络模型概周期解的存在性，并在相同条件下证明了概周期解的全局指数稳定性。

Participating policyholders of a mutual insurance company are contractually allowed to share in the company's periodic distributions.

4c成为一家相互保险公司的有权分享收益的客户，你就可以在他今后的一段时期内获得经营分红。

In this paper, we study the periodic controllability of linear evolution equations in Hilbert space.

在本文中，我们研究了在Hilbert空间中的线性发展方程的周期能控性问题。

In periodic systems,the time interval between two corresponding points on successive cycles.

周期系统中，在相继两循环中两个对应点之间的时间间隔。

In periodic systems, the time interval between two corresponding points on successive cycles.

周期系统中，在相继两循环中两个对应点之间的时间间隔。参阅frequency。

Corresponding points refers to two points or particle s that have completed identical fractions of their periodic motion.

对应点」是指处于相同相位的点，即完成了一个整周期运动的两点。

Corresponding points refers to two points or particles that have completed identical fraction s of their periodic motion.

对应点」是指处于相同相位的点，即完成了一个整周期运动的两点。

Corresponding points refers to two points or particles that have completed identical fractions of their periodic motion.

对应点」是指处于相同相位的点，即完成了一个整周期运动的两点。

It is designed as a periodic cylindrically symmetric sinusoidal corrugation waveguide and operates in 10GHz.

在设计方案中，它是旁壁对称正弦波纹的圆波导，变换器的中心频率为10GHz。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。