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The force analysis models and the analytic solutions of the type transformation units of the geared linkage mechanism were given, the forceanalysis models were perfected.

给出了齿轮连杆机构型转化法力分析单元的模型及显式解，完善了齿轮连杆机构力分析的数学模型。

In the CAD system for progressive dies, the method is introduced to automatically generate geometric models of stampings through inputting the product drawings by AutoCAD and picking-up the entity information from DXF files and programming with ObjectARX and C＋＋ language, at the same time, generating algorithm of close contour lines and unidirectional chain-table structure are used to express the models of stampings, the class and direct judgment of contour lines are realized and the entity existing side is judged by analytical geometry, which efficiently solves the problem of automatic input of drawings of stamping and providing information of process planning and mold design.

在级进模CAD系统中，将产品的图形信息以AutoCAD直接绘图形式输入到计算机中，从AutoCAD的图形交换文件中提取信息，采用面向对象的二次开发工具ObjectARX和C＋＋语言编写接口程序，并通过封闭轮廓的生成算法自动生成冲裁零件的几何模型，且用单向链表的形式加以表达，同时对冲裁零件图形的轮廓进行分类与走向判定，采用简单的解析几何方法对实体存在侧进行判定，有效地实现了零件图形的自动输入，为级进模CAD系统的工艺计算和模具工作部分的设计等提供了必要的信息。

Firstly, mathematical models for describing the 3D structure of anthocaulus, receptacle, calyx, petal, androecium and pistil are proposed basing on observing and analyzing the 3D structure of apple flower and inflorescence. At the same time, parameters for controlling these models are extracted. Secondly, the reconstruction of 3D structure of apple flower and inflorescence is implemented by integrating its topological structure information.

通过对苹果花及花序形态结构的观测分析，分别提出了描述花柄、花托、花萼、花瓣、雄蕊和雌蕊三维形态结构的数学模型，并提取了模型的控制参数；进一步整合苹果花及花序的拓扑结构信息，实现了苹果花及花序的三维重建。

In comparison with existing models,the derived models possess higher accuracy,are applicable to high and low elevation angles and targets located in lower atmosphere and ionosphere,have no restriction of range,do not involve the problem of apparent elevation angle rate and are convenient in practice.

与现有模型比较，所得模型精度较高，适用于高低仰角，目标可在低层大气与电离层内，没有距离限制，不涉及视在仰角变化率问题，便于实际应用。

Models for the electromagnetic interaction between the target and trunks or between the trunks and trunks are developed, and these models are used to derive the coherent fields scattered by the target and fractal forest. Then, the polarization angular correlation function is calculated by using azimuthal angular averaging, and used to detection target buried in forest.

本文用L系统对森林环境进行了理论建模；研究了有限长分层介质圆柱的树干散射模型；分析了倾斜粗糙地面上树干及分形树的电磁散射特性；讨论了环境对确定目标电磁散射特性的影响；研究了环境与隐蔽目标复合电磁散射，用角相关函数、极化角相关函数对隐蔽目标进行了检测。

Based on these periodic models, this paper also creates aperiodic scheduling algorithm models of BS and DS which take account of the load distribution of high priority periodic tasks.

基于这些周期性调度模型，在不修改任务源码的条件下，通过在目标嵌入式系统中利用来自宿主桌面计算机的营养资源调节周期性任务的启动时延改善系统的整体实时性能。

Considered the inside and outside contour line was Archimedes spiral in the cold rolling, the forming law of rectangular cross sectional rings has been studied. And the more precise geometrical models and calculation models have been gained. The researches can be used as a theoretical and experimental foundation for the simulation of ring rolling process. At the same time, the results of theoretical analysis have a good agreement with the results of practical rolling production.

本文在考虑冷轧过程中环件的内外轮廓线均为阿基米德螺线的情况下，对矩形截面环件的轧制成形规律进行了研究，得到了较精确的几何模型和计算模型，为环件轧制过程的模拟提供了理论依据和实验依据，同时理论分析的结果与实际轧制生产过程中的结果有较好的吻合。

One option BMW is looking at to boost demand is to increase the number of variants currently on offer. At present there are the V8 powered 740i and 750i models as well as the six-cylinder 730d turbodiesel, but Arndt hinted that more six-cylinder petrol models could eventually be offered as well as next year's hybrid model based on the recently revealed ActiveHybrid Concept.

为了提高市场需求，其中的一个选择是增加更多车型，宝马目前上市的7系车包括搭载V8引擎的740i和750i以及搭载六缸涡轮柴油引擎的730d柴油车，不过Arndt表示宝马会提供更多六缸汽油车型，另外明年将推出基于最近发布的ActiveHybrid概念车的混合动力车型。

Methods Three mandibular impact fracture models were prepared using intact human mandibular specimens and simulated maxillary models according to the Hanau principle of articulator and a MTS-858 biological material testing machine.

目的 利用MTS-858生物材料试验机进行下颌骨撞击试验和三维有限元分析方法揭示下颌骨骨折生物力学机制。

Artillerymen need to understand that databases used to drive force-on-force models are not always accurate. Many of the models have not been updated, and their databases do not reflect all aspects of lethality.

陆军野战炮兵清楚地认识到，即之前用来做演练的对抗型模型的数据库是未必准确无误的，许多模型数据甚至多年都没有经过升级，数据库不可能完全真实的反映炮火的全部杀伤力。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了