参数化的

The paper builds finite element model of portal crane jib system using girder element, besides it presents its principles and process so that the foundation of this method is established. Besides, the paper builds the model in APDL which is easier to modify and administrate.

运用有限元分析软件ANSYS8.1对门座起重机的臂架系统建立有限元模型，给出了用梁单元建立有限元模型的原则和步骤，为今后用梁单元进一步开展门座起重机的有限元分析奠定基础，而且采用APDL语言可以实现参数化建模，对于模型易于修改、便于管理。

Two models for the identification of Wiener-type nonlinear systems, which are the combination of Laguerre function model with static neural networks, are presented, and the identification algorithm are derived respectively.

提出了基于Laguerre函数模型与参数化模型构成的组合模型预测控制策略，解决了线性不稳定系统的基于Laguerre函数模型的自适应预测控制问题。

The linear fractional transformation representation of an uncertain aeroelastic system is formulated to perform model validation and robust flutter analysis.

建立不确定气动弹性系统的线性分式变换模型，给出了频域的模型有效性检验方法，对有效模型集进行参数化并将不确定性幅值最小的模型集求解归结为优化问题。

Charges accumulation and electric field development within two convective clouds which had different degree of convection and wind shear in Changchun were simulated by introducing an improved noninductive charging mechanism including the influence of particle diameters and impact velocity into the three-dimensional dynamics and electrification coupled model.

在三维强风暴动力和电耦合数值模式的基础上，考虑了粒子直径及降落末速差对转移电荷的影响，把非感应起电参数化方案作了进一步改进，对长春地区两次不同强度、不同环境风切变的对流云内电荷累积和电场发展过程进行了模拟分析。

This paper presents an improved method that uses the orthogonal least square algorithm to estimate both the structure and the parameters in the linear models from linearizing locally the whole nonlinear space.

本文在对非线性空间进行局部线性化的基础上，采用正交最小二乘方法对线性模型同时进行结构选择与参数辨识，改善了数值的病态特性，增强了算法的稳定性。

This paper introduces the interface、develop language and application programming of CAITA secondary development technology, and proposes a method of hotel parametric representation.

介绍了CATIA的二次开发的接口、开发语言以及应用程序设计，提出了一种帆船酒店的参数化描述方法。

The author's work was to research the theory and technology of the parametric design based on constraints.

参数化设计可以方便地辅助设计师进行新产品的开发及产品的反复修改设计，有效地提高产品的设计效率和质量。

The application of parametric technology decides the efficiency and the quality of design in one corporation.

参数化设计应用水平的高低直接决定了企业设计效率与设计质量的高低和企业核心竞争力的强弱。

Put the individual diversity and following behavior into account, with phototaxis and following behavior of two evacuation model parameter, produce the Ant Colony Algorithm Mathematical Model of High buildings pedestrian evacuation.

根据蚁群算法的基本原理及Ant-Density模型，综合考虑了火灾时期人员的个体差异和从众行为，利用信息素和禁忌表等指标将趋光趋众2个疏散模式参数化，建立了高层建筑人员疏散的蚁群算法数学模型。

The paper gives a overall of the current situation of the development of drill pipe power tongs in well at home and abroad at first, given the manufacture techonology.

本文运用的基于自顶向下设计思想进行参数化设计的方法，现已完成了"钻杆动力钳系列产品开发"的项目。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐