有限模型

there are short-term trade and long-term trade between supplier and buyer in the outsourcing. in this paper, the theory of repeated games is employed to discuss the quality for supplier and buyer under the different circumstances and the game model is set up.

在业务外包中，购买商和供应商有短期交易和长期合作，本文利用博弈论中的重复博弈理论，建立了博弈模型，并且在不同条件下讨论了购买商和供应商基于产品质量的有限次与无限次重复博弈。

In this paper, based on summarizing previous numerical studies on wave transformations, deriving an extended form of mild slope equation, which is taken as the governing equation. The equation simulates wave transformation in offshore area with finite difference.

本文在总结概述前人关于缓坡方程波浪数学模型的基础上，推导出一改进型缓坡方程，并以此为控制方程，采用有限差分方法，模拟近海海域的波浪变形。

In a transverse isotropic media with vertical axis, we validate the high accuracy and stability of DRP/opt MacCormack scheme by comparing with spectral element method.

在具有垂直对称轴的横向各向同性模型下，通过对比DRP/opt MacCormack有限差分和谱元方法的模拟结果，验证了前者具有很高的精度和稳定性。

The formulation of power system transient stability preventive control based on optimal power flow is presents in this thesis, in which multicontingency is considered. The infinite dimensions nonlinear optimization problem in which differential-algebraic equations are existed is changing into finite dimensions difference-algebraic equations by implicit trapezoid method.

建立了基于最优潮流的电力系统暂态稳定预防控制模型，通过隐式梯形法将含有发电机动态微分-代数方程和暂态稳定约束的无限维优化问题转换成有限维的常规静态最优潮流问题。

Its subject coverage includes: mathematical and computer modeling of crystal growth in alloyed and unalloyed aluminum; computer simulation and programs; and finite element method.

它的主题报导包括：合金与纯铝的晶体生长的数学和计算机模型；计算机模拟与程序；有限元素法。

Combining the section endochronic theory with member finite element method, the member endochronic model is developed, during which shear deformation of member is unconsidered.

三、将截面内时理论与杆件有限单元法相接合，建立杆件内时模型，建立过程中不考虑杆件的剪切变形。

Having such properties, in a finite range of ［0,1］, as monotonic decreasing, unimodal distribution, and monotonic increasing, the β-distribution function with 2 or 3 parameters was used in describing the distribution model of coal particles different in density in a jig bed.

根据β分布在有限的［0，1］区间内具有单调下降、单峰分布和单调上升等各种形态，用2参数或3参数的β分布作为描述各密度颗粒在跳汰床层中分布的数学模型。

This article is to achieve the muti-directional computing of real number models, based on multi-directional computation of Unit group models.

根据一阶有限群的多方向计算，实现实数域运算描述的数学模型的多方向计算是本文的目的。

A conservative form for the flow equation is established by using upwind finite volume element method.

考察非饱和水流问题的模型方程，利用线性迎风有限体积元方法建立非饱和流动的守恒形式，并获得该方法形式为O的误差估计，最后给出数值模拟。

Based on vector algebra method and using finite rotation tensor, a kinematic model for suspension guiding mechanism is established, and the sensitivity analysis of hard-points is carried out.

采用有限转动张量，结合矢量代数法，建立了悬架导向机构的运动学数学模型，并对硬点作灵敏度分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。