有限模型

Especially,when there are local changes among the data,and a single parametric distribution family can\'t describe the observed data accurately,finite mixing distribution models usually make excellent performance.

特别是，当观测数据有局部变化，而单一的参数分布族无法确切地描述观测数据时，有限混合分布模型表现出色。

The author systematically studies the distributive Law of front abutment pressure and its main influential factor in Top-coal caving face by analysing theory,experimenting similar model,and observing spot.

运用理论分析、相似模型实验和现场实测，系统研究了放顶煤采场前支承压力的分布规律及其主要影响因素，得出支承压力表达式( 3)、( 7)是可信的，塑性区宽有利于顶煤压裂，峰值低影响硬煤冒放，放顶煤一次采厚是有限

These kinds of analytical elements can describe the crack tip fields for the Dugdale model and can also be combined with the ordinate finite elements to form the semi-analytical finite element method.

该类超级单元能够准确地描述基于Dugdale模型的裂纹尖端场，可与普通有限单元相结合，构成半解析有限元法。

A three dimension mathematical model is developed which is used to calculate electric field of rare earth electrolytic cell with adjustable anode.

建立了可调极距式稀土电解槽电场计算的三维数学模型，通过有限差分方法对电解槽的电场进行了计算机模拟，并对结果进行分析与讨论，为电解槽的设计及改造提供了理论依

According to the theory of wave acoustics and ray acoustics,train is regarded as a moving limited line sound source and the mathematics model of sound field distribution is set up around the elevated railway.

根据波动声学和几何声学原理，将列车看作一运动着的有限长线声源，建立了有声屏障时城市高架轨道交通沿线声场分布计算模型。

Emendate by software; 2. Applicable configuration; 3. Electromagneticshielding; 4. Chop-wave decoupling method. A lot of researches havebeen done by scholars both in and abroad on the 1st method. Commonlyspeaking, correcting based on EM effect of simple models is verydifficult to adapt the complex geo-electric fields.

国内外学者对软件校正的方法著述较多，该方法一般基于某种地电模型的电磁耦合效应的影响进行改正，难以适应电磁耦合较强和复杂的地电场工作环境：工作装置的选择和布设可以减小电磁耦合效应的影响，但是往往需要增加工作量，效果也很有限。

Despite the enshrinement of the notion of bounded rationality in the organizations literature, this second postulate has been largely ignored in our formal models of learning and adaptation.

尽管组织学派强调有限理性的观念，这个基本条件在学习和适应的正式模型中还是被很大程度的忽略。

In view of the above features, this paper sets up an EOQ model of Multi-varieties service parts under the condition of capital competence and has the repair rate restraint.

针对以上特点，在给定修复率、资金有限的约束条件下，建立了多品种服务备件的EOQ模型。

At last, the error curve surface of gear profile is obtained by combining bending deformation and contact deformation.

文中首先将刀齿和轮齿抽象简化为力学模型，分析其受力状态，并运用三维有限单元法计算各节点的弯曲变形量，建立切削力与弯曲变形的关系。

Phase velocity error caused by position error of microtremor observation array is computed under different conditions such as two different dispersive phase velocity models of Rayleigh wave, three kinds of radius, 19 kinds of observation position mode and 6 types of position error.

为研究地脉动观测台阵中观测点之间的定位误差带来的影响，计算了在两种瑞利波频散模型、3种不同的圆周半径以及19种观测位置等多种情况下由6种定位误差引起的瑞利波相速度相对误差，结果表明：由于圆周上观测点数目有限，在不存在定位误差时，相速度误差也是存在的，随观测点位置的不同，相速度相对误差存在差异，其最大值约为最小值的3倍。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。