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In this paper, the duplex solder joints geometry of flip chip is simulated by Surface Evolver program.

摘 要：本文采用 Surface Evolver 软件对倒装焊复合焊点的几何形态进行了模拟。

Program evolver, which uses a formal grammar as its genetic representation, is amachine of simulated evolution independent of particular tasks.

程序进化器以形式文法作为遗传表示，它是独

The influence of the size of pad and solder bump, the volume of eutectic solder and reflow temperature on the geometry of duplex SnPb solder joint with high Pb solder bump and eutectic SnPb fillet was simulated by finite element method with the software of SURFACE EVOLVER.

应用SurfaceEvolver软件，对含高铅焊料芯片凸点和共晶SnPb焊料形成的复合焊点的形态进行了有限元模拟，考察了焊盘大小、芯片凸点尺寸、焊料体积、焊接温度等焊点的设计及工艺参数对焊点形态的影响。

BUse the experimental method to examinate the proposed relation obtained from the numerical simulation. The state of simulated degradation is mainly expressed by the parameters such as speed of P wave, the thickness of upper layer of concrete and interval of cracks.

另一为探讨实际量测混凝土版劣化后其反应频谱各振幅尖峰频率值之关系，并与数值模拟分析之结果相互验证，模拟劣化状况主要是以P波波速、混凝土上层厚度与裂缝间距作为变数，进而探讨对振幅频率的影响。

To each scheme of DG's site and size generated by genetic algorithm, this paper considers the effect of DG on power flow and line loading ability of distribution network. After processing distribution network expansion planning using branch exchange based simulated annealing algorithm, every result of integrated DG and network scheme is judged by economic evaluation.

对于遗传过程中每个分布式电源位置和容量方案个体，考虑了分布式电源对配电网潮流和线路负载能力的影响，运用基于支路交换的模拟退火算法规划扩展网络，对分布式电源和网络的综合规划结果进行经济性评估以衡量个体方案的优劣。

The exponential attenuation curve of the gain along the pulse propagation time is simulated.

分析了分幅相机增益衰减的理论模型，利用Mathematica软件模拟了增益随电脉冲传输时间指数衰减的曲线图。

A new method, which can generate the simulated images of face after rotating an angle, was proposed.

通过增加虚拟图像提高识别率，给出了一种模拟人脸姿态改变后的近似图像的简单有效的算法。

In order to predict the final components of deformation texture during the drawing process of face centered cubic metals wires, the cold drawing textures of FCC metals are simulated by Taylor model.

为了预测面心立方金属线材在冷拔过程中形变织构的演变规律，采用Taylor模型对面心立方金属冷拔织构进行模拟。

Definitely an operator will not face computer programs, but the visual forms. Old rectisol process of Dalian chemical plant is designed and simulated using the improved RPS, and good results are obtained.

应用Windows版的RPS软件对大化低温甲醇洗系统进行了设计和模拟计算，(来源：2424ABd6C论文网www.abclunwen.com)获得了很好的效果，同时对改进的新流程进行了模拟计算和数据分析。

As one of the most important and tiny organs of human, eye should be modeled and simulated factitiously.

眼睛作为人体中一个极为精密且十分重要的器官，其建模与仿真的实现具有十分重要的意义。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。