温度存在31 ~45年的周期振荡。
周期振荡与混沌运动相互嵌套、交替出现。
It is found that periodic oscillation and chaotic motion are inlaid with each other and appear alternately.
旱涝特征周期振荡也具有明显的季节性差异。
The periodical oscillations of the drought and flood features have significant seasonal differences.
风暴潮与天文潮的非线性相互作用出现了明显的潮周期振荡。
The nonlinear interation induced tidal period and water level fluctuation obviously.
实验发现，棒在颗粒物质中运动时滑动摩擦力具有准周期振荡性质。
It is found that sliding friction between continuous medium and granular materials has a novel speciality of quasi-periods oscillatory.
实验发现，棒在颗粒物质中运动时滑动摩擦力具有准周期振荡性质。
On the nonlinear oscillation of internal sliding friction in particulate matter;
结果表明，夏半年南海地区存在显著的30 ~60天的周期振荡。
Results reveal that there are significant low frequency oscillations with 30-60 day period over the SCS region.
这种周期振荡现象与赤道平流层的纬向风的准两年周期振荡现象有很好的对应关系。
It is well correspond to zonal wind oscillation on low layer of the stratosphere over Equator.
应用现代差分方程理论对这些数学模型解的渐近性态与周期振荡进行了详细的讨论研究。
The asymptotical behaviors and periodic oscillations have been studied by applying the modern theories of difference equations.
研究结果表明，量子点的平均电子占据数呈现梯级特征，且在梯级上随磁场呈现周期振荡；
The numerical results show that the average occupation number of electrons in the QD exhibits staircase features and oscillates with the magnetic flux through the AB ring on the upward stairs;
认为云在准三年周期振荡过程中起着重要作用，而在准半年周期振荡中自身反馈过程则是主要的过程。
It is found that clouds play an important role in the feedback process of quasi three-yearly oscillation, and that the self feedback process is important in the quasi half-yearly oscillation.
热带气压场随时间的变化与时间系数的变化相似性最大，不同模态的时间系数变化具有明显周期振荡现象。
The change of the tropical pressure field is most similar with that of the time coefficients, and the time coefficients of different modes present obvious characteristics of periodical oscillation.
用关联函数作为反馈，可使系统从混沌到定态或混沌态到周期振荡，甚至可以实现从混沌态到指定的定态输出。
The correlation functions can be used as feedback signal to control the systems from chaos to steady state, chaos to periodic oscillation, or even from chaos to preset output.
用一个有外强迫的、简单的动力系统研究气候系统中的准两年振荡（平均周期长度比两年稍长或稍短的准周期振荡）。
The QBO (quasi-biennial oscillation) in the climate system, with a mean cycle-length slightly above or below 2 years, is studied in a simple forced dynamical system.
各区域的极端温度值时间变化存在较大差异，但是周期分析显示，各区域极端温度值的年代际周期振荡具有全省一致性。
There are distinct differences of the trends of extreme temperature variation between different regions, but the periodic variation analysis show that the inter-decadal variations are consistent.
值得一提的是可得出原子间耦合作用强度对纠缠量的非线性效应，并且纠缠量展现出与原子反转粒子数一致的周期振荡现象。
It should be noted that the atomic coupling coefficient exhibits the nonlinear effect and the entanglement measure oscillates periodically in accordance with atomic population inversion.
指出武汉市主汛期降水存在40年、25年、10年、4—7年左右的周期振荡，并由降水的周期性推知本世纪初武汉市汛期将进入下一个少雨时段。
The main period about 40,25,10 and 4-7 years are found. Based on this, we can forecast the lack of rainfall in Wuhan city in initial stages of this century.
人们希望温度的时间系列尽可能地长，以便能研究各种波的振荡周期。
The time series of temperature are expected to be the longest possible so as to examine various modes of oscillation periods.
如果加速度减小，振荡周期变大。
If the acceleration goes down, the period of oscillation goes up.
我向你们提过的最，惊奇的东西之一就是，振荡的周期，和物体的质量，毫无关系。
One of the most remarkable things I just mentioned to you is that the period of the oscillations is independent of the mass of the object.
如果在上面,悬挂1公斤物质，我能够计算出,振荡的周期，1除以周期,等于频率，我相信,等于大概38赫兹。
So if now I hang on it a mass of one kilogram, I can calculate the period of one oscillation, and one over the period F is the frequency F, and I believe that is something like 38 hertz.
以前算过-,这是能量守恒，为了算出,简谐振荡的周期，我们求时间导数。
We've done this before-- this is the conservation of energy, and in order to find the period of the simple harmonic oscillation, we take the time derivative.
揭示出冷空气的向南传播主要是一种低频模态的10—20天周期的振荡。
It has been revealed that the propagation of cold air mainly shows a mode of 10—20 day period oscillation.
分析了电力系统在周期性负荷扰动下的振荡失稳问题。
The power system instability caused by oscillation under periodical load disturbance was analyzed.
南海季风爆发期间存在明显的季节内振荡，有两个显著振荡周期：一个峰值为20~30天，另一个峰值为40~50天。
There existed obvious intraseasonal oscillation and two significant periods of SCSSM , one was about 20~30 days, the other about 40~50 days.
有连续在这些原子之间的振荡周期。
There is a continuous cyclical vibration among and between those atoms.
一个振荡周期的一部分，客户的，在您过滤泥沙，然后积累另一波销售在这样的法律。
One oscillation period, as part of customers out, after you filter sediment, and then accumulated by another wave of sales are in such a law.
给出了描述具有几个光振荡周期的飞秒激光脉冲在非线性光纤中传输方程的解。
The solution of the nonlinear wave equation describing propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a nonlinear fiber is presented.
给出了描述具有几个光振荡周期的飞秒激光脉冲在非线性光纤中传输方程的解。
The solution of the nonlinear wave equation describing propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a nonlinear fiber is presented.
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