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Then, taking the coordinates of every gemel as the optimization variables, the optimization analyses with the improved constrain terms, aiming to the load on the leaf spring and the structure of mechanism, is applied on the four-bar linkage mould oscillation mechanism and the single-leaf spring oscillation mechanism.

本文介绍了连铸结晶器的振动装置的发展，并以各铰链点位置坐标为优化变量，针对板簧受力和整体结构，给出相应的约束条件，对四连杆振动装置和半板簧振动装置进行了优化分析。

In chapter 4, using general Riccati transformation and integral average technique: we first investigate the oscillation of a class of nonlinear differential equations under quite general assumptions. The results that we obtained generalize and improve some known oscillation criteria.

第四章利用推广的Riccati变换及积分平均技巧，首先，研究了一类二阶非线性微分方程在一般假设条件下的振动性，所得结果推广和改进了前人的相关结果。

While working, the whole ultrasonic oscillation transmission is in state of resonance, and does harmonic oscillation.

工作过程中的超声振动系统整体处于谐振状态，超声传递系统做简谐振动。

A method to analyze the dynamics of piecewise continuous system is presented, based on it, the chaotic oscillation of a harmonically forced spring-mass system with friction is studied. The impact of friction and other parameters on the chaotic oscillation of this system is analyzed.

分析了系统参数和摩擦模型对系统混沌行为的影响；发现了摩擦模型的选取对系统动力学行为分析的重要性；揭示出在一定条件下，系统参数、环境条件或润滑条件的改变都有可能使系统进入无序的混沌运动状态。

Vapor bubble oscillation and liquid column oscillation resonated together in the case of lower heat fluxes and deeper immersion depth of the heater. The bath temperature had a vital effect on the dominant frequency.

在较小热流密度和平板加热器处于浸入深度较大的时候，气泡的振动和恒温器中的液氦的振动形成共振；与此同时，氦浴温度对系统的特征频率有重要的影响。

In this paper, the author investigate the oscillation of a class of second-order linear differential equation s with impulses, revealing the relation between this and the non linear differential equation s with impulses in Oscillation.

摘要研究一类二阶线性脉冲微分方程解的振动性，揭示了此类方程与相应的非脉冲方程在振动性方面的联系。

In the third part of the paper, another novel technology, named as Mould Oscillation-less Electromagnetic Continuous Casting under AMMF was proposed in order to replace the huge mechanical mould oscillation system by AMMF imposing outside the mould in continuous casting.

进行了三种波形高频调幅磁场下的无结晶器振动电磁连铸初步实验研究，实验结果表明：在方波、三角波和正弦波调幅磁场作用下的无结晶器振动电磁连铸过程中，当调制波频率略低于系统固有频率时，弯月面与结晶器壁间断接触距离最大。

Low frequency oscillation resonance mechanism of two-machine system was established in this paper. The relations between natural oscillation frequency and damping of two-machine system were analyzed.

理论推导了两机互联系统的共振机理，分析了两机互联系统固有频率与阻尼的关系。

The results are indicated that only the strength of gap junction is large enough, can the abnormal oscillation propagate to synchronize the other neurons around and the process is chaotic and complex;the nonlinear and complexity of the oscillations with strong strength of gap junction are larger than that of oscillation with weak strength of gap junction.

结果表明：只有电突触耦合达到一定强度时，异常振荡才能传导并引起神经元的同步振荡；传导活动是混沌和复杂的；在突触耦合强度较强时的神经元活动的非线性和复杂性要强于其在突触强度较弱时的。

Three results are received:(1) The population of neurons can synchronize when the strength of gap junction is large enough and the process is chaotic and complex;(2) The nonlinear and complexity of the seriously disorder oscillation are larger than that of slightly disorder oscillation in a 2-D network;(3) The nonlinear and complexity of the oscillations with strong strength of gap junction are larger than that of that with weak strength of gap junction.

结果表明：电突触达到一定强度时神经元群才能同步振荡，这种活动是混沌和复杂的；同一网络中异常节律较严重的神经元活动的非线性和复杂性要强于异常节律较轻微的神经元；突触耦合强度较强时的神经元活动的非线性和复杂性要强于其在突触耦合强度较弱时的。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。