计算程序

This is a realization of optimal calculation procedure, the algorithm used to conjugate gradient method.

这是一个实现最优化计算的程序，采用的算法为共轭梯度法。

It takesthe weighted average of the L2 norm of the difference of the observation and thesolution of the system and the L2 norm of the difference of conormal derivativeat the different sides of the interface for every subdomain as cost functional andthe smooth coefficients of the subproblem and the value of solution of the originalproblem at interface as identification parameters;Using the property of continu-ous functional defined on compact set,the existence of the optimal solution of theidentification problem is proved;The necessary conditions of optimality charac-terized by the system equation,the adjoit equation and the variational inequalitysimultaneously are given by introducing the conception ofdifferential andadjoit variable;An algorithm is devised and its flow graph is given.

其次，针对分片光滑动力系统的特征，结合正演过程的区域分解算法，建立了分片光滑系统的分解区域参数辨识模型，该模型以子区域上解的实测值与计算值之差的L2范数和界面两侧的通量差的L2范数的加权平均作目标泛函，各子问题的光滑系数及界面上真解的值为待辨识参量；利用紧致集上连续泛函的性质，证明了子区域上参数辨识问题最优辨识参量的存在性；引入微分的概念，借助伴随变量，给出了由系统方程，伴随方程和变分不等式共同表征的最优性必要条件；根据此必要条件设计了算法，给出了算法的程序框图。

The results are consistent with the test data and the dynamic analysis model is proved correct.

应用三维有限单元和导弹实体简化模型对一种战术导弹的结构振动特性进行分析，并运用ANSYS有限元分析程序，计算得到了"自由-固支"条件下，导弹竖立状态的固有模态，取得了与试验和数据基本一致的结果，证明了所建模型的正确性。

The paper discusses the theory of speed controlling after interpolating and how do the factor that mostly include cutting speed,time constant of speed controlling and vector angle of conterminous CNC segment affects arriving precision.

文章论述了后加减速的原理及进给速度、加减速时间常数、上下程序段之间的矢量夹角对轮廓误差的影响，给出了数据采样插补应用后加减速时依据矢量夹角控制轮廓误差的一种方法，并对矢量夹角的计算给出了详细解析。

Combined with the boundary continuity condition between two kinds of two-phase medium, this finite-element method is facilitated to compute the seismic response of layered model.

文中首先推导了黏弹性双相介质的显式有限元表达式，并编制了程序；给出了黏弹性双相介质交界面的连续条件，这样就可以方便地应用于分层地质模型的计算。

The determination of the collocation place of metal wires, the principle of choosing the quantity of wires and the initial grain type and the ratio of initial burning surface to throat area are stated.The local ablation of thermal insulation barrier in nozzle convergence region and of throat insert is analysed.

论述了金属丝布置位置的确定及金属丝根数的选择原则；初始药型及初始面喉比的选择；分析了喷管收敛段绝热层及喉衬的局部烧蚀问题；阐述了过渡段燃面变化的计算方法，并附有计算机程序。

Each headword is explained in clear, straightforward English. There are also supplements including nutrient RDAs and sources, a body mass index calculator, conversion tables for cooking and a guide to food hygiene procedure ,as well as a list of key contacts in the fields of nutrition, health and food production.

每个中心词都用简洁、直接的英语做出了解释，同时也做了补充，包括营养学中国家推荐的饮食标准和来源，身体质量指数计算公式，烹调转换表和食品卫生程序指南，以及涉及到营养，保健和粮食生产领域的关键词目录。

The three dimension parallel numerical computation of the wet-sieved concrete specimen was executed successfully to verify the program of random convex polyhedron aggregate.

4为了验证本文提出的多面体骨料生成方法，利用现有细观力学分析并行程序成功地实现了对湿筛混凝土试件三维细观并行数值计算。

Use of this procedure is for flexible body in_array coordinate transformation calculation.

详细说明：本程序是利用mathematic进行柔性体坐标变换计算。

The choice for material of iron core, all the structure design and the method of collimation for the magnet were also described. Simulation results of Opera show that when the length of the core is 220 mm, the effective magnetic length is about 302 mm and the maximal magnetic density is around 0.215 T at four interior angles. Corresponding field uniformity is within 0.8% in the area of 133 mm×200 mm.

根据磁铁的设计指标，给出了磁铁设计要求铁芯材料选择方法、整体的结构设计以及如何对磁铁进行定位和准直，并采用Opera程序进行模拟计算，结果表明：当铁芯长度为220 mm时，磁有效长度大约为302 mm；磁感应密度最大的地方在4个内角上，约为0.215 T；在133 mm×200 mm的平面范围内，磁场均匀性优于±0.8%。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐