查询词典 model theory

Combinatorial theory was adopted to build the general model of predicative concepts , which were further defined on the conjunctive normal form and the disjunctive normal form of prepositional logic Then we set up the concepts evaluation model consisting of the indexes as completeness, consistency, simplicity and inner consistency.

应用数理逻辑理论，定义了基于CNF范式和DNF范式的概念的命题逻辑表示形式，建立了包含概念的完整性、一致性、简单性和内部一致性的比较完整的概念评价的指标体系和模型。

In this paper,using annuity theory and combining with State Department′s 'the decision of establishing consolidated corporation employee pension system',the actuarial model of pension substitute rate with different contributing years to employees is derived;moreover,using this model,simulation is tested,which has important theoretical significance and practical application value to calculating substitute rate and completing the China pension policy.

利用年金理论并结合1997年国务院《关于建立统一的企业职工基本养老保险制度的决定》文件，得到我国职工在不同缴费年限下基本养老保险替代率精算模型，并利用该模型对基本养老保险替代率进行模拟分析。这对于明确我国当前基本养老保险替代率及完善基本养老保险政策具有重要的理论指导意义和实际应用价值。

Presently, the theory and application of non-local model is one of the most active subjects of constitutive model.

原句是：目前，非局部模型的理论与应用是本构模型中研究的热点之一。

Secondly, based on the research of the fabric"s contexture characteristic, the author puts forward using the convex shape as yarn"s section, builds the yarns dimensional geometry model and axes equation of warp and weft. Establishes the illumination model which is fit for fabric with illumination theory.

在研究织物组织模拟的基础上，提出以凸透镜形作为纱线截面，建立了相应的纱线空间几何模型和经、纬纱轴线方程；利用光照理论，结合织物的特点，建立了适用于织物的光照模型。

They are theory base of physical model and mathematical model.Secondly, we should start with Navier-Stokes equation and equation of continuity.

首先，通过丁坝回流理论和回流计算公式的探讨，分析丁坝回流产生的原因以及回流强度的影响因素，为物理模型和数学模型的建立提供理论基础。

The theory of equivalent model is explored,advice on how to use correctly correlation matrix to fit model is given in discussion.

本文的讨论部分对等同模型理论进行了初探，对正确地应用相关矩阵拟合 SEM 给出了合理的建议与意见。

Based on the correspondence principle in viscoelastic theory, the viscoelastic model of axisymmetric round headings has been analyzed, obtaining theoretical results of displacement field in the viscoelastic model.

采用粘弹性理论的对应原理，对轴对称圆巷的粘弹性模型进行了分析，从而得出了该模型位移场的理论解。

In this paper, a three-dimensional multi-level hydrodynamic model with curvature correction in curvilinear coordinates has been developed based on the update turbulent theory and numerical method, which can effectively solve the practical problems of flows and water quality transportations in hydraulic engineering, and can strengthen the practical usage of the mathematical model.

本文基于现代紊流理论、现代数值计算方法建立适合描述水利工程中紊流规律的非线性数值模型，即曲线坐标系下的多层紊流水动力模型，旨在提高紊流精细模拟的实用性，以求有效地解决水利工程中的水流和输运现象的实际问题。

Finally, this thesis analyses the processing of variable weight on decision evaluation with the model of selecting matriculates based on Attribute Theor~ and analysis the characteristics of the model of selecting matriculates based on Attribute Theory The study in the thesis is helpful to further research and application.

最后，本论文分析了利用基于属性论高考招生模型的评价方法来处理决策评价中随着组态变化而变化的变权问题，并分析了基于属性论高考招生模型在决策评价中的独特性，本论文所做的研究有助于实际应用或进一步分析研究。

This paper introduces the basic theory to develop coalbed methane reservoir. It compares coalbed methane reservoir with conventional natural gas reservoir on geology and production characteristics, and explains the storage and migration mechanism in detail. And it also provides a set of new integrated mathematics, numerical model for the simulation of degasification process from coalbed seams. At last, it presents a significant computer software corresponding with the model.

为此，本文从煤层甲烷的开发基础入手，对煤层气藏与常规天然气藏储集特征和开采特征进行了综合对比分析研究；通过对煤层气藏的赋存、运移机理的深入研究，首次建立了一套完整的煤层甲烷运移的数学模型、数值模型，并研制开发了相应的计算机模拟模型，创造性地建立了一套煤层甲烷气藏开发动态评价和预测的理论和方法，对煤层气藏的开发具有重要的实际意义和重要的指导作用。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷