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According to the generalized Huygens-Fresnel principle, the peculiarity of laser beam intensity distribution is simulated under the different condition such as refractive index of atmospheric structure constant and transmission pace and laser wavelength.

根据广义惠更斯-菲涅耳原理，对TEM00模和TEM10模光束在不同大气折射率结构常数、传输距离和传输激光波长条件下的光强分布特性进行数值模拟。

This paper used commerce software FLUENTS to implement numerical simulated compute because it could in more detail and comprehensive open out the distribution laws of the flow field in the channel and in the holes and the experimental results had been consummately enlarged. At last, the experimental results were contrasted and analyzed with the computational ones.

本文还利用商业软件FLUENT5进行了数值模拟计算，数值计算可以更详细更全面地展现通道内以及孔内流场的分布规律，更加丰富和完善了实验测量结果，并将实验结果和数值计算结果进行了对比分析。

The dynamic characteristic of intelligent AC contactor was simulated,then the effect on characteristic by intelligent control and optimization were analyzed.

仿真了智能交流接触器的动态特性，分析了智能控制对其特性的影响和优化。

Most of the existent fabric CAD systems have designed and simulated fabric in 2D environment, and use color blocks to represent the contexture points. These systems can not show the 3D effect of fabric"s appearance, the simulation results can not replace the real fabric"s appearance.

现有织物CAD系统大多数停留在二维的织物设计与仿真，多用色块来代替组织点，无法体现织物外观的三维效果，模拟的效果图不能体现真实织物外观。

By changing the problem of downlink power control to a combination optimization one with simple form, analyzing the continuity and derivative of energy function, and explaining the particularity of obtaining derivatives, the feasibility of solving the problem using chaotic simulated annealing algorithm was explicated.

通过将下行链路功率控制归结为形式简单的组合优化问题，并适当分析能量函数的连续性与可导性，以及求导过程的特殊性，说明了利用混沌模拟退火法解决此问题的可行性。

To break through the limit of continuous medium theory, a uniaxial compression test of HMA was simulated with discrete element method, and then the simulation was compared with the lab test.

为突破常规数值方法基于连续性的理想假设，进行了某级配的沥青混合料单轴压缩试验的离散元模拟，并将模拟试验与室内试验进行了比较。

In the design, in construction process of the structural calculation of the upper part in the continuous bridge, the permanent load were simulated and calculated.

在设计中，桥梁上部结构的计算着重分析了桥梁在施工过程中，恒载内力的计算。

The nonlinear Winkler-Kelvin sub-grade model is adopted in this simplified model and the complicated 3-D problems of the soil-single piles dynamic interaction are simplified to the 1-D, that is to say, the lateral nonlinear acting force of the soil to the pile shift is simulated with thehorizontal nonlinear springs which have the continuous uniform distribution, while the nonlinear spring restoring force is described by the deteriorated Bouc-Wen model; the radiation damping and material damping due to the energy dissipation and inner friction in the soil are displayed with the dashpots which are in parallel with the horizontal nonlinear springs.

该模型采用非线性Winkler-Kelvin地基模型，将复杂的地基土-单桩动力相互作用的三维问题，简化为一维问题，即，地基土对桩轴的横向非线性作用力，由随深度均匀分布的水平非线性弹簧模拟，非线性弹簧恢复力由退化的Bouc-Wen模型描述；地基土中由于能量耗散和内部摩擦而产生的幅射阻尼和材料阻尼，由与水平非线性弹簧并联的粘壶表示。

Finally, an example of simulation system is presented, and the influence of frequency excursion on performance of multi-tone continuous wave jamming is analyzed and simulated.

最后，给出了仿真系统实例，分析并仿真了频率偏移对多频连续波干扰性能的影响。

Aiming at the problem of coal resource shortage per capita, and excessive exploitation as well as irrational utilization of coal, the optimum theory and sustainable utilization system was simulated theoretically and methodically based on the principles of efficiency and continuousness, and the social welfare function.

根据效率原则与可持续性原则，利用社会福利函数，从理论及方法上对煤炭资源的最佳耗竭及持续利用进行了系统模拟，并将模拟的变化趋势与近年的实际开采利用情况作了对比和分析。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。