离散的

The model is set up in view of the optimum design of midship section of container ships with crankle strength and frequency constraints according to CCS rules and thin-walled beam theory .

结合CCS规范和薄壁杆件理论，建立了考虑弯扭强度和频率约束的集装箱船中剖面优化设计的模型，考虑到中剖面优化设计中的设计变量为连续和离散的混合变量，利用isight中集成的自适应模拟退火算法，建立了巴拿马型集装箱船中剖面优化设计系统，并对3100TEU集装箱船中剖面进行了优化设计，取得了合理的结果。

Secondly,how to represent knowledge by means of Escher,which is a typed higher-order logic programming language is demonstrated and three kinds of learning algorithm is introduced.

1引言归纳学习的目的在于发现样例与离散的类之间的映射关系，发现的映射关系不仅能准确地解释当前给定的样例，还要能准确地预测新的样例。

Some applications of the Bezier curve to computer graphics are introduced in this paper. These include generating flowered patterns approximate drawing of profile of machine parts, designing the shape of industrial products with free curve, making three-dimensional picture of ratators with the Bezier curve as the generating line and plotting charts by smoothing out the graphs of discrete data of scientific experiments.

本文介绍Bézier曲线在计算机绘图中的某些应用，例如生成花纹图案，近似绘制机件的圆弧轮廓图，工业产品自由曲线轮廓的构形设计，生成以Bézier曲线为母线的旋转体三维图象，利用Bézier曲线的凸包性对离散的科学实验数据进行平滑处理绘出数据图表等。

In the empirical section of my thesis, a parallel data set of 50 countries for the period 1986-2001 is used to estimate a series of Logit models, with a binary exchange-rate regimes index as the dependent variable.

进而本文利用50个中等收入国家从1986到2001年的面板数据，以二元离散的汇率制度分类指标为因变量，对一系列的Logit模型进行估计，所得到的结果支持本文的理论假设。

Both methods for the construction of 2-i-i-dimensional integrable models together with techniques for the calculation of exact solutions are discussed.

通过连续的和离散的特征值问题的非线性化得到某些新的有限维可积系统和一个新的可积辛映射。

With the aid of inverse Laplace transform, the main reliability indexes of the system such as system availability and reliability can be calculated.

假定每个部件仅有2种状态：工作或失效，那么系统的状态过程是一个时齐的离散的马尔可夫链，它可以产生1列微分方程，借助于拉普拉斯逆变换可计算出该模型的主要可靠性指标--系统的可用度及可靠度。

The relation between Lagrange multiplier of impact and impact force was obtained on the basis of theorem of motion of mass center.

在子结构离散的柔性多体系统的动力学基础上，由质点系统的质心运动定理建立了与接触碰撞有关约束的Lagrange乘子和撞击力的关系。

Many mathematical models in physics, mechanics, biology and astronomy are given in such forms.

大量的物理、力学、生物学以及天文学问题的数学模型都是有连续的和离散的迭代过程描述的。

Given this assumption, even if the parameters of the system are randomly perturbed, by either genetic mutation, environmental variance or experimental manipulation during development, the system will generate a limited and discrete subset of phenotypes. Thus the realm of possible forms is a property of the internal structure of the system.

而在这种假设的前提下，即使系统各参数值受到发育过程中的随机扰动（或者是遗传突变，或者是环境变化或人工实验操纵），系统会产生出某个某个有限的、离散的表型[11]子集，因此，生物可能形态的王国，其疆域从属于生命系统的内在结构。

In the second chapter, generalizing the contractilities and asymptotical stabilities for multi-delay integro-differential equations. Under proper stepsize, we obtain the discretization schemes of Runge-Kutta methods with the compound quadrature formula and the Pouzet quadrature formula, and besides, derive the global and asymptotical stabilities. Moreover, the numerical experiments show that the presented methods are highly effective.

第二章，考虑了多延迟情形下的积分微分方程，推广理论解的收缩性与渐近稳定性结果，在适当的步长下，利用复合求积公式与Pouzet求积公式扩展Runge-Kutta方法，获得离散的计算格式，并且证明了方法是数值稳定的，此外，数值试验表明此计算方法在实际应用中是非常有效的。

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。