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An equivalent temperature model was used for simulation of initial opening of joints in the model. Under a series of harmonic loadings and earthquake histories, the joint opening behavior and acceleration response of the arch dam model were tested.

本文通过模型试验重点研究了其中两个较为重要的问题——拱坝横缝非线性及其加强措施（横缝配筋、预应力钢索等）对拱坝动力反应的影响问题，以及拱坝在强震作用下的破坏机理问题。

Then steady forced vibration of the nonlinear Disk spring-mass system under base excitation and force excitation is obtained individually by using the Fourier series analysis and harmonic balance method.

详细探讨了考虑静力载荷影响的、具有弹性非线性和Coulomb摩擦阻尼非线性的碟簧元件的建模和动力学特性，首先利用Fourier级数分析技巧和平均法研究了非线性碟簧-质量系统的自由振动，讨论了影响自由振动的振幅和频率的各种因素，然后利用Fourier级数分析技巧和谐波平衡法研究了地基激励和力激励下非线性碟簧-质量系统的强迫振动，通过详细的参数研究考察了非线性碟簧元件的减振性能特征，最后采用修正的稳定性分析方法研究了两种激励下稳态响应的稳定性。

Compared with the computer simulation results, the experimental instrument can demonstrate the multi-frequency harmonic vibrations synthesis very well.

通过与计算机仿真结果的比较，实验仪能够很好地演示多倍频简谐振动的合成。

Company under: First, the annual harmonic synthesis type, various types of oil more than 7,000 tons of plant.

公司下设：一、年调和合成型，各类油品7000余吨的分厂。

In this paper,a numerical computing principle of spherical harmonic synthesis and analysis is introduced,and its inherent parallelizability is studied.

1引言球谐分析是将各种全球数据转化成球谐系数的过程，而球谐合成则是其逆过程，它根据一系列球谐系数计算球面上的函数值。

The parallelism of computation of spherical harmonic analysis and synthesis is achieved by applying MPImode of parallel computing based on the Fourier transformation techniques.

特别是在重力场模型的研制中，联合利用各种重力数据，根据球谐分析计算重力场模型系数。

Audio restoration tools, including noise reduction, click and crackle reduction, restoration of clipped audio recordings and high frequency harmonic synthesis (gives new life to dull sounding recordings).

它的使用者界面是以运算速度、精准度、与易用等想法而设计，支持的讯号可达192k Hz和32位的声音取样品质，不管是录音或编辑，都可以达到最高的声音品质。

Mechanism synthesis ; harmonic drives ; mechanical drives

机构综合；波导传动；机械传动；行星传动

Connecting rods ; Paths ; Prescribed timing ; Dimensional synthesis ; Harmonic waves ; Characteristics ; Parameters ; Optimization

连杆；轨迹；预定时标；尺度综合；谐波；特征；参数；最佳化

Sub-femtosecond pulse, molecular modulation, high harmonic generation, spectral synthesis

中文关键词：亚飞秒脉冲，分子调制受激拉曼散射，高次谐波，频谱合成

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。