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1·In addition to amplitude and wavelength, a periodic wave is characterized by its frequency.

除了振幅和波长，周期波有它自己的频率。

2·Be this kind of relation and its motion, brought about the periodic wave motion of real economy.

正是这种关系及其运动，导致了现实经济的周期性波动。

3·By the orbit in the phase portraits, different kinds of solitary wave, kink wave and periodic wave solutions are obtained.

通过相图中的各种轨道，获得了孤立波，扭子波和周期波的精确解。

4·No matter from the wave type structure, space, time, speed, all the signs are that, large periodic wave two adjustment will end.

无论从浪型结构、空间、时间、速度，这一切的迹象都表明，大周期二浪调整将结束。

5·The periodic bar and beam structures are modeled as one-dimensional periodic wave-guides and the expression of transfer matrix of elastic waves is derived.

将周期杆梁结构看成一维周期波导，推导了结构中弹性波传递矩阵的表达式。

6·The periodic wave solutions of the generalized CH equation are investigated by using bifurcation theory of differential equations and numerical simulations.

用微分方程分支理论和计算机数值模拟方法研究广义CH方程的周期波解。

7·The method and results in this paper for solving the problem of wave and vibration mode localization in periodic wave guide can be used in the optimum design of such kind of structure.

本文对周期波导中波传播与振动局部化的分析方法和计算结果可用于结构的优化设计。

8·Two kinds of methods for solving localization factor are given. As examples, localization factors of ordered and disordered periodic wave guides are respectively calculated and discussed.

采用两种求解局部化因子的计算方法，分别计算了谐和与失谐周期波导中的局部化因子，并对其进行了分析讨论。

9·When the integral constant is zero, the existence of smooth solitary wave solutions, uncountably infinite, many smooth periodic wave solutions, and kink and anti-kink wave solutions are proved.

在积分常数为零的条件下，证明了该方程存在光滑孤立波解、不可数无穷多光滑周期波解、扭结波和反扭结波解。

10·The substructure method was introduced to set up mathematical model of finite periodic composite structure, to solve its wave equation, and to derive its time-average power flows.

采用子结构法，建立了有限周期复合结构的数学模型，求出了数学模型的波动解，并推导出模型的时间平均功率流。