查询词典 Model

In the frame, Design Structure Matrix is the tool to build up the models of product structure and development process. The product structure topology tree is defined, and the product structure DSM model is introduced. The formalized description about development process model is presented. The characteristics of the tools to build up development process are analyzed, the strongpoint of DSM is discussed, and the development process model based on DSM is introduced. The relation between product structure and development process is analyzed.

在研究框架中引入了产品结构和开发过程的建模工具——设计结构矩阵(Design Structure Matrix， DSM)；给出了产品结构拓朴树的定义及其形式化描述，并在此基础上引入了产品结构DSM模型；给出了产品开发过程模型的形式化描述，比较了几种常见的产品开发过程建模工具，分析了用DSM建模工具进行产品开发过程建模的优势，引入了产品开发过程DSM模型；分析了产品结构与开发过程之间的联系，提出了两者之间的集成机制，并在此基础上给出了IM-PSDP模型。

A problem of cable force optimization of cable-stayed bridge is equated as a nonlinear implicit optimization model. In the mathematical model, the object function is minimizing summation of bending strain energy and axial strain energy, and the constrain conditions are nonlinear and related to reasonable finished dead state. The optimization model is solved by projection gradient method, fully considering all kinds geometric nonlinearity.

把超千米级斜拉桥的索力优化问题归结为非线性隐式优化的数学模型，以系统最小弯压应变能为目标，根据合理成桥状态指定各种非线性约束条件，利用投影梯度法进行优化问题的求解，求解过程中充分考虑了各种几何非线性的影响。

The scattering model is composed of swimbladder model and fish body model. The swimbladder is modeled by gas-filled prolate spheroid, and the fish body, exclusive of swimbladder, by liquid-filled prolate spheroid.

散射模型由鱼鳔模型和鱼体模型两个部分构成，其中鱼鳔采用充满气体的椭球体模型，鳔除外的鱼体采用充满液体的椭球体模型。

There are a lot of quark models now, constituent quark model, bag model, soliton model etc.

主要的夸克模型有：组分夸克模型、口袋模型、孤粒子模型等。

The research method is used, which combines the turbocharged engine dynamic performance simulation with the steady test. A quasi linear dynamic simulation model for turbocharged diesel engine is established. Neural network based emission model is established using the steady test data. A prediction simulation model of turbocharged engine dynamic emission is proposed based on MATLAB/SIMULINK.

采用了增压发动机动态性能模拟与稳态试验相结合的方法，建立了涡轮增压柴油机的准线性动态模型，利用稳态试验数据建立神经网络排放模型，提出了一种将2种模型结合起来在MATLAB/SIMULINK环境下的增压发动机动态排放预测仿真模型。

This study base on the review of past research in career management in and out of the country, then deeply analysing the characters of IT industry and career of knowledge worker, and then bring forward the model of knowledge workers\'s career management of IT industry. As to prove the rationality of this model, the study also design questionary about knowledge workers\'s career management of IT industry on the foundation of the model.

本研究将问题锁定在IT产业知识型员工职业生涯管理这一具体、细分的范围内，试图从理论与实践相结合的角度构建一套IT产业知识型员工职业生涯管理相对科学、完整的体系，并对该体系内部的构成因子、影响因素与作用机制展开剖析，进而引起理论界与实践界对该领域的进一步研究、探索。

Secondly, the problem of linear prediction for Qy in the original model and its transformed model is considered, the notion of linear sufficiency and the problem of comparison of linear models with respect to prediction problems are proposed and the corresponding necessary and sufficient conditions for the transformation to be linearly sufficient and for one model to be superior over another are given, respectively.

其次，我们讨论了原始模型和变换模型下Qy的线性预测问题，提出了在该预测问题意义下的线性充分性和模型比较的概念，分别给出了变换Fy是线性充分的、以及一个模型优于另一个模型的充分必要条件，此外还得出了一些特殊结论。

A standard expected value model for multi-objective multi-stage transmission planning is presented to realize the transmission optimal planning with the control of line overloading risks. In this model, a constraint of overloading risks is built with expected value and standard deviation of random line active power and two objectives are given as expected value of the average power loss and discount value of the investment cost. By modeling uncertain informations with probability theory, the probabilistic DC power flow is adopted for the correlated calculations among random variables in the planning model.4 A novel multi-objective transmission planning approach that considers transmission investment profit is proposed. Requests for transmission investment profit and social welfare are involved in the proposed planning approach.

以方案总投资费用贴现值和平均网损期望值为目标函数，建立多目标多阶段输电网规划的期望值模型，以线路有功潮流过负荷随机变量的期望值和标准差构建过负荷风险约束，考虑了风险发生概率和严重程度两方面的特征，通过对不确定性信息的概率建模，利用概率直流潮流进行各随机变量的相关计算，实现了控制过负荷风险条件下的输电网优化规划。4提出考虑输电投资收益的多目标输电网规划方法，综合考虑市场参与者对输电投资收益和社会总福利的要求加热管及其对输电网规划的影响。

When the geometric similitude ratio of the model to the prototype was determined and the loading similitude condition was satisfied by using similitude theory in structure modeling and experimental techniques, the prototype soil parameters were derived according to the model test result. The vibrating wheel compelled by harmonic exciting force was treated as a lumped mass vibrating system by equation equity method. By using this mechanical model in vibrating compaction, soil parameters were identified according to the equivalence of vibrating differential equation. The curve fitting method of amplitude versus frequency response was used for dynamic simulation based on the systematic dynamic equation of vibrating roller-soil system.

用相似理论与模型试验法在确定了模型与原型之间的几何相似比并满足载荷相似条件后，根据模型试验结果推导出了原型土体参数；用方程对等法把受简谐激振力作用的振动轮等效为集中质量振动系统，以此作为振动压实过程的力学模型，根据振动微分方程的等效条件进行识别；用幅频特性曲线拟合法以振动压路机－土壤系统动力学方程为基础，用计算机进行动态仿真。

The Rational Function Model is a simple and common expression of geomefricae imaging model, it has been a new computing method of constructing realistic sensor model.

有理函数模型是成像几何模型的一种简单、通用的表达，已经成为构筑真实传感器模型的一个计算方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。