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On the basis of regular wave transformation equation in a reference[1] incorporating comprehensively environmental current,nonlinear dispersion effect,rapidly varying topography effect,energy loss due to bottom friction,refraction and diffraction, the governing equations are derived for irregular multi-directional wave transformation incorporating multi factors according to the principle of superposition of linear wave and the wave directional spectrum theory.

1引言波浪在由外海向近岸的传播过程中，由于受到复杂地形、障碍物和水流等因素的影响，波浪传播将发生变形。文献[2]对描述波浪在近岸传播变形的各种数学模型方法做了较为全面的、系统的回顾和总结。

Traditional link access control algorithm such as LBRCA（Link Bandwidth Require Control Algorithm） has the problem of high link access rejection probability and low bandwidth resource usage ratio.A model of sharing bandwidth allocation in multi-link is proposed,the features of link bandwidth allocation and QoS level are also discussed.The DBAMQ（dynamic bandwidth allocation and multi-level QoS） link access control algorithm is presented.In this algorithm,the bandwidth is readjusted according to variable QoS level.

针对传统的基于带宽请求链路接入控制算法（Link Bandwidth Require Control Algorithm，LBRCA）的接入成功率和系统带宽利用率不高的问题，设计了一种多链路接入共享带宽分配模型，分析了链路带宽分配和QoS等级的特点，提出一种动态带宽分配分级QoS链路接入控制算法DBAMQ（Dynamic Bandwidth Allocation and Multi-level QoS），该算法在保证某QoS等级的基础上允许动态地对系统的带宽进行重分配。

High precision format, unstructured dynamic mesh with a large displacement and multi-species gas flows were computationally expensive, the problem of resourceless and inefficient of single computer appeared. Parallel arithmetic based on PC-Cluster system for the oblique detonation wave flow and the muzzle flow include high speed projectile were discussed. The results proved that the rationality of parallel arithmetic provided a new method to simulate the complex chemical reaction flows. The present code represents a validated, efficient and versatile tool developed for the simulation of hypersonic multi-species chemical non-equilibrium flows.

高精度计算格式、化学反应源项的刚性和大位移的运动边界处理都给计算和存储带来了沉重的负担，单机资源不足和计算时间长的问题凸现，利用PC机和局域网资源建立分布存储式并行计算系统，并基于非结构动网格和分区算法开发了复杂化学反应流场数值模拟的并行计算程序，对高速飞行实验弹丸诱导的斜爆轰波流场和含有大位移动边界的膛口燃气射流场进行了并行模拟，有效地缩短了计算时间，扩展了计算规模，为复杂化学反应流数值模拟研究提供了新的手段。

The transepicondylar axis of different position has no effect on volume rendering technique measuring the humeral head retroversion angle with multi slice spiral CT.The top view at which lateral epicondyle of the humerus showing minitriangulum and the anterior surface of the distal humerus articulation with the forearm being shaded is more simple,faster and precise for the volume rendering technique measuring the humeral head retroversion angle with multi slice spiral CT.

结论］肱骨头扭转角变异较大，肩关节假体扭转角设计应个性化；肱骨远端不同位置内外上髁轴线对多层螺旋CT容积再现测量肱骨头扭转角没有影响；俯视位观察肱骨，当外上髁露出呈小三角形、肱骨远端前关节面被肱骨头遮盖重叠的位置是多层螺旋CT三维重建测量肱骨头扭转角的更简单、更快捷而且准确的测量位置。

In the 5th chapter, the application of Multi-Agent technology in Concurrent Engineering is studied. With the shaft strength and rigidness analyzing agent and gear strength analyzing agent as examples, an agent model is studied and provided. A federated multi-agent infrastructure based on product assembly model and multiple analyzing agents is suggested. By this, cooperation under distributed and heterogeneous environment and efficient information integration among mechanical geometry product modeling system, assembly modeling system and analyzing system can be realized.

第五章研究了多代理（Multi-Agent）技术在并行工程中的应用，以转轴强度与刚度验算代理和齿轮强度验算代理为例子分析了代理的模型，研究并提出了一种基于产品装配模型和多分析计算Agent的联邦制体系结构，该体系结构能够支持异构分布环境下的协同工作，能够实现机械产品几何造型系统、装配建模系统、分析设计系统之间的有效集成。

Ti/TiN/N/ZrN multi-layer film is deposited on head of rotated riveter by using multi-arc ion plating method.

采用多弧离子镀法在旋铆头沉积Ti/TiN/N/ZrN多层膜处理，并对旋铆头的失效形式、膜层的组织形貌、显微硬度、耐磨性能进行了分析和讨论。

Map is a powerful tool for recording,displaying,computing and analysing roomage relationship of geographic objects. With the development of Science of Computer and Mapping technology, traditonal paper map will be replaced by digital map for its preponderant attribute of dynamical, alternative, Super-Media intergrated, Multi-Yardstick expression and Multi-Dimension displays.

地图是记录、显示、计算、分析地理事物空间关系的一个重要工具，数字地图则具有动态性、交互性、超媒体集成、多尺度表达、多维化显示等优越特性，计算机科学与测绘技术的发展，使得传统纸质地图逐渐被数字地图取代。

Monte Carlo and self-adaptive multi-objective genetic algorithm were applied to solve the multi-objective robust optimization of suspension parameters, taking the statistic mean and standard deviation of root-mean-square value of the vertical acceleration of vehicle body and the dynamic load of front and rear tires as objective functions.

以某载货汽车的四自由度悬架模型为研究对象，同时考虑制造精度的影响，以车身垂直加速度、前后轮胎动载荷的均方根值的统计均值和方差为目标函数，采用蒙特卡罗抽样法和自适应多目标遗传算法对悬架参数进行稳健优化。

A plastic model was proposed which develops from the combination of boundary surface theory and multi-shear mechanism plastic theory. This model avoids the uncertainty and complication associated with the revision of Mansing's rule when a multi-shear mechanism plastic model is used, and is able to simulate the rotation of principle stress axes during seismic activities and the large shear deformation during liquefaction.

将边界面理论和多重剪切机构塑性理论结合起来并加以改进建立了多重剪切机构边界面塑性模型，避免了多重剪切机构塑性模型通过修正系统修正曼辛准则时的不确定性、复杂性；且能模拟地震时主应力轴的偏转和液化时剪切大变形。

The model can reflect the multi-sets feature of the rock masses in practice, consider the influence of the joint orientation and strength to the rock masses deformation feature, and simulate the simultaneous sliding, tension and close behaviors of the multi-sets jointed rock masses extending the joint surface, and reflect the plastic deformation induced the rotation of the principle stress axes. The result can be extended to fractured rock masses with arbitrary set joints.

该模型能反映实际工程中岩体的成组节理特性，考虑节理产状和强度对岩体变形特性的影响，可用来模拟岩体中多组节理同时存在滑动、张开、闭合的行为，并能反应由于应力主轴旋转所产生的塑性变形的影响。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。