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This paper aims to analyze basicstructure and application of the new technology. Comparing the new techniquewith the full-range simulation mode and full-stimulation simulation mode, itdemonstrated the merits of DCS based stimulation simulat...

本文从该技术的结构特点和具体应用方面进行了阐述：根据和传统的全范围仿真模式和全激励方式进行比较，论证了基于虚拟DCS的激励式仿真的优点；而在沙岭子电厂具体项目中的成功应用更是为这一技术的进一步推广打下了坚实的基础。

Several representations of numerical simulation, such as induced curvature, the conditions of first—type limit, second—type limit and singular solution, are presented under continuous and differential conditions. A new system of numerical simulation, which is relative as well as independent to traditional theory, is established.

利用现代微分几何学的活动标架方法对共轭曲面的数学仿真原理进行了深入研究，给出连续可微条件下，共轭条件、一、二类界限条件，奇解点条件及诱导曲率的仿真描述，建立了与传统理论既相联系又相互独立的数字仿真原理新体系。

A simulation analysis was made on the extrusion and deformation process of the socket wrench with DEFORMTH finite_element numerical simulation software.

利用DEFORMTM有限元数值模拟软件对套筒扳手的挤压变形过程进行了模拟分析。

The wavelet packet analysis applied in fault diagnosis system is studied in this thesis. Using simulation fault data, uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies. To picked-up the eigenvectors reflecting different fault of sodium pump with availability, simulation results have shown its satisfaction in the identification.

对小波包分析应用于故障诊断进行了研究，利用仿真出来的故障数据，将快堆钠泵非平稳时变振动信号分解到不同层次和不同频带上，有效地提取出反映钠泵不同故障的特征向量，在识别中得到了满意的结果。

It is the frontier domain of the numerical simulation of solidification processes at present. It is significant to development and application of the solidification simulation.

它是目前凝固组织模拟的国际前沿研究领域，对金属材料凝固模拟的发展和应用有着十分重要的意义。

The simulation mainly includes two sections, the solution of surface velocity of lake, and the simulation of oil spill movement.

模拟工作主要包括两个部分，即湖泊表层流场的求解和溢油在背景流场下运动行为的模拟。

Finally, using the design of the attitude control system for a spacecraft numerical simulation, and simulation results are analyzed.

最后，运用所设计的姿态控制系统对某航天器进行数值仿真，并对仿真结果进行了分析。

This paper designs an ubiquitous network architecture based on social network analysis and a network simulation platform, speciously focuses on management,organization and cooperation of social network analysis,uses Multi-Agent technology to design architecture, simulation platform,virtual organization,agent acting as manager or worker,and uses the XML to expend th.

针对泛在网络面临局部自治性、异构性、复杂性、混沌性等问题，提出一种基于社会网络分析的泛在网络体系架构及网络仿真平台，并进行原型系统实现。

On the basis of the FEM simulation results, the forming mechanism of tube stagger spinning is studied. The studied mainly include the stress and strain distribution law, the influence of key process parameters on the spinning forces and diameter dimensions, and the main simulation defects.

主要的工作包括：应力应变分布规律研究；关键工艺参数对旋压力、内径尺寸精度的影响规律研究；以及对旋压模拟中的损伤缺陷、不贴芯模缺陷和隆起缺陷的产生原因和防上措施的研究。

Based on the dynamic change of the intersection traffic flow, two intersection traffic control strategies were proposed, including the variable lane use on certain intersection approach, and the split-phase signal control strategy. Then, the potential applicability, advantages and characteristics of the two strategies were analyzed. With the surveyed data, a corresponding simulation model was built, and the effectiveness of these methods was simulated with the traffic signal control simulation software Synchro.

针对信号控制交叉口实际流量动态变化的特征，在现有传统控制方法的基础上根据交叉口交通流的变化特点，提出采用可变车道控制模式的控制方法、单边轮放控制模式的控制方法，介绍了其潜在的适用条件、优势及特点，并在交通流量调查的的基础上，建立了交叉口的相应仿真模型，利用信号控制仿真软件Synchro验证了在高峰期不同控制方法的效果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。