查询词典 periodic

The Shanghai and Shenzhen stock markets in the pool for periodic auction and continuous auction which formed Mean, Maximum, Minimum, Standard deviation, Skewness and Kurtosis have a consistent pattern.

三沪深两市在集合竞价和连续竞价下形成的收益率均值、中值、最大值、最小值、标准差、偏度、峰度有一致的规律。

A new method of weak periodic pulse signal based on combining autocorrelation function with chaos theory was proposed.

简述自相关检测的原理及混沌理论，在此基础上，提出将自相关检测与混沌理论相结合检测微弱周期脉冲信号的检测方法。

It is the conclusion to reduce the distance between periodic sys-tem and autonomous system.

这个结论将周期系统和定常系统的某些特征成为一致。

The auxiliary equation is directly applied to solve the (2+1)-dimensional dispersive long wave equations and the solitary wave solutions and triangular periodic wave solutions are obtained.

利用该辅助方程直接求解了(2+1)维色散长波方程，结果获得了一些孤立波解和周期解，其中包括一些新解。

Combined KdV equation; Generalized KdV equation; Reduction-order method; Auxiliary differential equation technique; Solitarywave solutions; Periodic solutions; Solitons; Algebraic travelling wave solutions; Physical structures

基础科学，数学，数学分析KdV-mKdV方程；广义KdV方程；降阶法；辅助微分方程；孤波解；周期解；孤子解；代数行波解；物理结构

Local discontinuous Galerkin method for convection-dominated diffusion problems with periodic boundary conditions is constructed. To deal with the derivative of second order, an auxiliary variable is introduced. The stability and error estimations are presented simultaneously.

针对具有周期性边界条件对流占优的扩散问题中的二阶导数，引入辅助变量，构造了局部间断Galerkin方法，并给出了方法的稳定性结果和误差估计式。

The problem gives a practicable methods to solve the existence and multiplicity of periodic and subharmonic solutions of second order forward and backward functional difference equations.

论文研究的问题和所得的结论具有比较重要的理论价值和应用价值。论文思路清晰，逻辑性强，推理严密，结论具有创新性。

Periodic screening for recurrent bacteriuria should be undertaken after therapy.

在治疗后应定期查是否菌尿复发。

The existence of periodic solutions to the second order ordinary differential equation in Banach space is discussed.

本文利用半序理论，非紧性测度，凝聚映射的拓扑度，不动点定理及锥上不动点指数理论，讨论了Banach空间E中二阶常微分方程周期边值问题解的存在性，主要结果有一。

Chaotic signal with continuous wide band frequency spectrum is not periodic and is similar with noise signal.

混饨同步问题的提出掀起了混饨在保密通信方面应用研究的热潮。

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。