查询词典 model

In the new view, viz. Neo-Darwinism theory, product family development system is analyzed and the architecture of product family gene model is built. After analyzing the gene expression of product family model, the center-principle for product family gene model is proposed and its information hereditary mechanisms are clarified. The algorithms of transcription, retrotranscription, translation, direct-translation and mutation for information gene are presented.

从一个新的角度——现代达尔文主义学说对产品族设计系统进行了分析，在此基础上，建立了产品族基因建模体系结构，分析了产品族模型的基因表达，提出了产品族基因建模中心法则，并对其中各个信息遗传机制进行了详细的分析和论述，给出了相应的信息基因转录、逆转录、基因转译、基因直译以及基因突变的算法。

After discussing the non-linear characteristic of the investment risk series, the thesis investigates several forecasting methods for non-linear risk series including AR model, ARCH model and neural network model.

本文在探讨了证券投资风险时间序列非线性特征的基础上，研究了包括AR模型，ARCH方差补偿型预测模型和神经网络预测模型在内的各种非线性风险预测方法以及组合预测方法。

The second, prefect newsboy model with two times ordering and solve this model. The third, research on newsboy model with reduce price and get it optimum solution.

2阐述并完善了二次订购情况下的报童模型，通过分析可以看出采用二次定购的策略可以提高销售商的平均收入。

In order to analyze supply chain structure, cost model of firms in market entry game was developed by borrowing Cournot competitive model and Newsvendor problem model, the feasible and equilibrium structures of two-tier supply chain were analyzed and solved in theory.

为分析供应链的结构，在借鉴古诺竞争模型与报童问题模型的基础上，建立了市场无法出清条件下供应链的市场进入博弈模型，从理论上分析并求解了两级供应链的可行结构和均衡结构。

Then author studies two expanded newsboy model: newsvendor model with price elasticity and newsboy model with retailer promotional effort.

在分析了基本报童模型的利益协调问题基础上，深入研究了两种扩展报童模型――价格弹性报童模型和伴随零售商促销报童模型――的利益协调问题。

Beijing 100083 , China Abstract : In order to analyze supply chain structure , cost model of firms in market entry game was developed by borrowing Cournot competitive model and Newsvendor problem model , the feasible and equilibrium structures of two - tier supply chain were analyzed and solved in theory.

基于进化博弈的供应链市场进入博弈分析赵晗萍，冯允成，蒋家东(北京航空航天大学经济管理学院，北京 100083)摘要：为分析供应链的结构，在借鉴古诺竞争模型与报童问题模型的基础上，建立了市场无法出清条件下供应链的市场进入博弈模型，从理论上分析并求解了两级供应链的可行结构和均衡结构。

A continuum model was established by introducing Newton stress formula into the elastic-plastic model to describe the deformation behavior of material in bonding zone. Based on the model, the mechanism of plastic deformation and the influence of detonation velocity on plastic deformation were analyzed and compared with experiments.

该文引入牛顿应力公式到弹塑性模型，以近似描述结合区材料行为，建立了连续介质模型，对波状结合区的塑性变形及爆轰速度对塑性变形的影响进行计算分析，并与试验结果对比。

The research scope of this paper includes:(1) According to the vehicle motion parameters, the 9 degrees of freedom vehicle brake model has been established by utilizing Newtonian mechanics, which can be reduced step by step to a double-wheel vehicle brake model and to a single-wheel vehicle brake model.

为了改进传统的逻辑门限ABS的局限性，本文对基于滑移率的汽车防抱死制动系统的上述关键技术及实现方法进行了研究，并以研究成果为基础完成了相应工程项目的研制任务。

Flat plate steady mathematical model and non steady symmetric model are presented, the analytical solution of temperature of powder is derived on the basis of non steady symmetric model in spheroidal coordinates with the methods of mathematical transformation and principle of superposition .

对点火问题进行研究，给出了两种点火的数学模型；平板定常模型和球对称非定常模型。从火药颗粒的球对称非定常模型出发，利用叠加原理和数学变换导出了火药颗粒表面温度的分析解。该研究对深入研究点火理论和起始弹道学有一定的作

We have done some exploratory work from several aspects to generalize the Brownian motor to the more real situation: The model which molecular motor has internal degree of freedom; The track on which the Brownian particle moves cannot be completely ordered and contain certain amount of disorder, the model is rocking ratchets with stochastic potentials; A two-dimensional ratchet model with a non-conservative force to realize the coupling between the mechanical and chemical processes.

目前大多数的研究工作是把分子马达抽象为一维的点粒子，我们在推广布朗马达到更真实的方向上开展了以下几个侧面的研究分子马达动力学行为的探索性工作：分子马达具有内部结构的电偶极子模型；考虑分子马达的轨道不规则、不光滑的摇摆棘轮模型；提出一个具有非保守脉冲力场的二维棘轮模型。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。