离散

So the research and development of design automation and intelligent design system of CEM products is necessitous.

复杂机电(CEM，Complex Elecro-Mechanical)产品属于离散制造类型的产品，相当多的复杂机电产品在设计和制造方面具有相当的难度，是目前国际制造业竞争的焦点。

Numerical simulations of the three dimension viscous flow over the SUBOFF-1 model provided by DARPA and other two models are processed by solving RANS equations withκ-εtwo-equation turbulence model and finite volume method, and with SIMPLEC method for pressure-linked terms, central difference shemes for temporal derivative terms, and second-order upwind schemes for convective and diffusive terms.

本文基于RANS方程，采用κ-ε两方程湍流模型来封闭控制方程，采用有限体积法离散控制方程，对于速度压力关联方程，应用协调一致的SIMPLEC算法求解，变化率项用中心差分，对流扩散项采用二阶迎风格式，分别对DARPA提出的裸艇体SUBOFF-1模型以及另外两种回转体模型进行了数值模拟计算。

On detailed study of the central difference finite volume method proposed by Jameson, discrete formulae of 3-D Euler equations and N-S equations are presented.

详细研究了Jameson的中心差分有限体积法，推导了Euler方程和N-S方程的空间和时间离散公式。

During the process of numerical approximations, the difference formula of time transient terms, and the central/upwind difference expressions for acquiring boundary value are chosen.

在方程离散过程中，给出了时间瞬态项的差分格式以及求解边值的中心和上风差分格式。

For Hu invariant moment having no scale invariance, two modified algorithms are proposed: one is based on the normalized central moment coming from the concept of image square and the other is based on constructing a new invariant moment.

主要贡献如下： 1。针对离散情况下Hu不变矩特征仅仅具有平移、旋转不变性，不具有比例不变性的问题，提出了两种改进算法：一种是从图像正方形概念演变而来的归一化中心矩的修正；另一种是重新构造新的不变矩特征。

In order to overcome the limitation, by using the character of in size order for continuous attributes and error theory of statistics, this paper proposes an algorithm of discretization based on cluster.

文中针对这一缺陷，利用连续数值属性有序性的性质和统计方差理论，提出了一种基于聚类的连续属性离散化算法。

In this thesis, I introduce the purpose and meaning of my study in this field and also introduce the definition, characteristic, class and use firstly.

本文首先介绍了该论文课题研究的目的和意义，以及数字水印技术的基本概念、特性、分类、用途等，接着介绍了主要的水印攻击方式以及相应的对策，然后介绍了小波变换的基本理论，包括连续小波变换、离散小波变换、多分辨分析、Mallat算法等。

The status of the flow in manifold systems will directly affect the efficiency and security of an exchanger. With the help of discrete model, the characteristic of the flow in manifold systems will be got.

流体在并联管组换热器中的流动状况将直接影响到换热器运行的效率和安全性，通过离散模型计算方法可得到流动工质在并联管组内的流动特性。

In order to reduce the computer time for solving the block-matrix equations, the characteristic matrix transformation is used.

采用特征向量变换，可在保证原方程组离散化精度的条件下使计算大为简化。

Based on this, the working characteristic of the event drive state transition in DEDS is described and the Event Drive State Space model is presented.

本文的出发点是：离散事件动态系统是具有良好组织结构和明确目的性的受控人工系统，其运行遵循人为设计的规则。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新