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3D model produce enormous degree of freedom.(3) Simulating have to employ multi-step load for moving heat source. In order to solve problems mentioned above and improve solution accuracy, this paper choused suitable material property parameter, and used transition mesh, with two point and line heat sources model. The program which applyload of moving heat sources and suitable time step was edited by means of ANSYS' APDL (ANSYS Parametric Design Language).

为了解决这一问题并提高计算精度，本文对高温时材料的物理性能参数进行了适当的选取和处理；采用过渡网格划分形式划分网格以保证焊缝处网格足够细小；点热源选取高斯函数分布和线热源进行叠加，利用ANSYS软件的APDL（ANSYS Parametric Design Language）语言编写程序实现移动热源的加载；选取适当的计算时间步长。

In order to acquire the heating-cooling process of laser molten pool and the mutual effect of sintering layers in multi-layer powder sintering, factors such as heat conduction, heat radiation, heat convecting and changeable thermophysical property parameters were taken into account comprehensively, the 3D transient state FEM of the temperature field of multi-layer thin-wall metal parts formed by DMLS was established based on ANSYS. The APDL (ANSYS Parametric Design Language) was used to carry out thermal resource moving and the technique of birth/death for element was used to simulate the process of material addition.

为掌握多层粉末烧结过程中激光熔池的加热冷却规律以及各烧结层之间的相互影响，综合考虑热传导、热辐射和热对流以及材料的高度非线性，基于ANSYS平台建立了多层金属薄壁件的三维温度场有限元模型，利用APDIJ语言编程实现模拟中激光热源的移动，采用&单元生死&技术描述粉末材料动态增长过程。

First, in the geometry modeling of complex target, the Grid Model used in the faceting approach, the Parametric Surface Approach and the decompounding approach are introduced.

在目标几何建模方法中，分别论述了面元网格法、参数曲面法和部件分解法。

To reduce the computational burden under the parametric model of mixed-spectrum, the proposed method decouples the estimation for parameters of sinusoids and of AR clutter.

该方法利用混合谱参数化模型，通过对正弦参数估计及AR杂波参数估计的解耦处理，降低了谱估计过程的计算复杂度。

In this paper, city road is predigested as plan T type, decussating, circular intersection and interchange parametric design maths modeling.

分析了城市道路的特征，研究了平面线形和竖曲线线形的设计算法；提出了基于图形的建模方法。

In general, the major results are:(1) Established the geometrical model for the enwinding of the wire rope in the roller, such as the inclination of the wire rope and the climbing equation of roller in the commutation process;(2) Established the tensile force kinetic model for the enwinding wire rope used the Lagrange kinetic equation and the continual kinetic theory in the start up and retard moment. Solved the equations by the method of modal analysis and separation of variables(3) Based on the analysis on the enwinding mechanism of the wire rope, we did the research on the mechanics behavior of the wire ropes enwinding process.(4) According to the research above, we made the computer program to solve the mechanics models. And after parametric analysis, we made the suggestion for the improving of the current wire rope enwinding system.

主要研究工作有：(1)建立了钢丝绳在滚筒缠绕几何模型，研究了钢丝绳缠绕过程极限偏角及换向过程在滚筒爬坡机理及几何模型；(2)依据LAGRANGE系统广义动力学方程、连续体动力学理论分别建立起升系统启动及制动过程钢丝绳缠绕快绳拉力的动力学模型，并分别采用模态分析法及分离变量法求解；(3)结合对钢丝绳在钻机滚筒缠绕机理分析的基础上，研究了钢丝绳在滚筒缠绕过程力学行为；(4)编制计算机仿真程序对上述模型进行求解，在参数分析的基础上提出对目前钢丝绳缠绕系统结构改进建议。

Though the theoretical analysis of the mixing process and concretely explicating the parametric design .Finally, it gives conclusions and suggestions.

通过搅拌过程的分析，详细阐述了各参数的设计，并结合理论分析，给出了结论和建议。

Furthermore, the parametric vibration of guyed mast analyses and its control method is proposed. Finally, the wind tunnel experiment of guyed mast was carried out, and the test results were examined. Through the experiment, the dynamic characteristics of guyed mast are well understood, and the proposed method is this paper is verified.

并进一步分析了桅杆结构参数振动的特性及其控制方法，通过对桅杆结构风洞试验的分析，了解了桅杆结构在实际工作状态下的动力特性，并证明目前理论的正确性。

The features, facts, experiments and rules of the product design can be encapsulated into various kinds of case libraries by using the technologies of parametric design, feature-based modeling and software integration. Based on "From top to bottom" intelligent assembly design idea, the digital method of design and analysis from the whole design to the parts' design of the stairs and plats of container is accomplished.

综合参数化设计、特征建模和软件集成等技术，将产品的特征和产品中凝聚的知识、经验和规则一体封装，提出了&自上而下&的智能布梯的设计思路，并建立内容丰富的实例库，实现了从集装箱起重机梯子平台总体设计到零部件设计与分析的数字化。

This paper presents an intelligent and rapid design system for stairs and plats of container crane based on the combination of the theory of knowledge based engineering with the design of stairs and plats of container crane. 3D parametric graphic software SolidWorks is redeveloped by program language Visual C++ which is object-oriented programming.

应用面向对象的程序设计语言Visual C++对三维参数化图形设计软件SolidWorks进行二次开发，将知识工程的思想与集装箱起重机梯子平台的设计相结合，开发出基于知识工程的集装箱起重机梯子平台智能快速设计系统(Intelligent and Rapid Design System for Stairs and Plats of Container Crane， IRDS-SPCC)。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。