查询词典 Model

Computable general equilibrium model A mathematical model developed by the World Bank to model national economies.

可计算的总体平衡模型世界银行开发的一项模拟国民经济的数学模型。

This paper summarizes how urban transport system is modeled from the aspects of physical model, conceptional model, and the theory of simulation model.

从物理模型、概念模型和仿真模型原理三个方面，讨论了城市交通宏观模型的建模方法。

Based on the SD conceptional model, the SD model was constructed, the equations were given, and the validity of the model was tested.

以SD概念模型为基础，采用Vensim软件构建该企业完整的服务系统SD模型，给出了模型运行所需的72个方程，并进行模型真实性检验。

This model contains two parts,one is conceptive model and the other one is reasoning model.

设计的自动决策支持模型中包含了概念模型和推理模型，推理模型中集成了交通拥挤自动检测算法和拥挤交通量控制方案选择的模糊推理算法。

This paper bases on the textbook Solow model, considering the effect of the reform to the economic growth in China. An augmented Solow model that includes accumulation of human capital and institution variables has been established to investigate the conditionalβconvergence of Chinese cross- province economic growth and the rural-urban inequality in China. The following research using econometrics approach indicates that the model establishing in this paper can reflect the Operation of macro-economy movement.

相关实证研究表明本文建立的计量经济学实证模型与中国经济体制改革以来的宏观经济运行情况相吻合，只有考虑了中国经济体制改革过程中的制度变迁因素，才能解释其他国家经济增长过程中普遍存在的地区经济增长β收敛现象在中国没有出现的原因，并对经济体制改革以来中国城乡经济发展不平衡问题的日益恶化作出合理的解释。

From a practicable point of view, models in MBMS were further classified into three types: Mathematical Equation Model, Conditional Model, and Image Processing Model.

本文着重研究基于地理信息系统的模型库管理系统，试图通过建立模型库管理系统的方法弥补地理信息系统在模型分析方面的不足。

Eular -Bernonulli beam model and Tomosimko beam model were adapted to study the inherence vibration properties of the pipelines under dynamical loads, and the analytical answers of the chanmical results were brought out in the fifth chapter. And gave priority to the Eular -Bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on.

本文采用Eular-Bernonulli梁模型和Tomosimko梁模型对动力下Kelvin粘弹性地基中管道固有振动性状进行了分析，提出了各力学结果描述的解析式；并以Eular-Bernonulli梁模型为主，基于脉冲函数、振型迭加法等对管道在动力交通荷载作用下的管道响应问题提出简单便捷的解析算法；在管道受力结果的分析中，考虑管道响应输出的随机性，将管道响应用随机过程来描述其概率特征，使得结果描述更加真实准确。

The second improvement is to combine the fuzzy optimization model, which has its advantages with view to quantitative problems, with the decision-making method based on fuzzy congruity theory, which has its advantages with view to qualitative problems, thereby a model that is more applicable to the practical evaluation of the problems that have both quantitative indices and qualitative indices, or a so-called mixed model is established.

本研究提出了相应的改进方法：一是将基于模糊一致矩阵理论的决策分析方法推广到了多层次的情况，使之适用于多层次、多指标综合评价问题；二是将对定量指标问题具有优越性的模糊优选模型和对定性指标问题具有优越性的基于模糊一致矩阵理论的决策分析方法结合起来，构建了更适合应用于实际综合评价问题既有定量指标又有定性指标的模型，即所谓的混合型模型。

The utility model adopts the stucture that the utility model is centered by a conical surface, the mandrel is fixed with screw threads, and only one movable mating surface is arranged between the mandrel and the dial gauge.The utility model has the advantages of simple structure, high precision, light weight, low cost ,optimal economic benefits and good working condition.

实用新型采取结构实用新型是由圆锥形表面集中的，轴固定与螺纹，并且仅一个可移动的啮合面被安排在轴和拨号盘测量仪之间实用新型有简单的结构、高精密度，轻量级，便宜，优选的经济好处和好工作环境的好处。

In the test of weak-form efficient hypothesis, this thesis used auto regression, auto correlation function and unit root three models, and got the basically same results. In the test of semistrong-form efficient hypothesis, this thesis used market model, index return model and constant mean return model three ways to estimate the normal return when making use of event study, and the results were also basically same.

其中，为求全面和比较，在对弱势有效市场的假说的检验部分，本文运用了自回归检验、自相关函数检验和单位根检验三种计量模型，检验结果基本一致；在对半强势有效市场假说的检验部分，本文运用了事件研究法，并在估计正常收益率时使用了市场模型、指数收益模型以及均值模型三种方法，估计结果也相对一致。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。