几何结构

The gross geometrical parameters, physical parameters and biomechanical parameters of femur diaphysis were measured.

实验发现：与对照组相比，实验组股骨的若干几何及物理参数发生了明显变化，表明应力环境可以改变活骨组织的成份和结构并逐渐改变其力学性能。

Combined the curve theory of differential geometry and the cable model applied distributed load, form analysis and tension analysis of boundary cable, ridge cable and valley cable were performed.

结合微分几何的曲线论和分布荷载作用下索的受力模型，研究了索膜结构中边索、脊索和谷索的受力分析和形状分析。

The surface representation in discrete form and its differential computation are important issues in computer graphics and geometric design.

0引言一般来说，曲面的一阶微分量是指曲面的切平面方向和法向量，二阶微分量是指曲面的曲率等有关量·它们作为重要的曲面信息度量指标，在计算机图形学，机器人视觉和计算机辅助设计等领域发挥了重要的作用·传统的曲面是连续形式的参数曲面和隐式曲面，其微分量的计算已经有了较完备的方法·随着激光测距扫描等三维数据采样技术和硬件设备的长足进步，以及图形工业对任意拓扑结构光滑曲面造型的需求日益迫切，离散形式的曲面———细分曲面、网格曲面和点云曲面正在逐渐成为计算机图形学和几何设计领域的新宠·于是，对这种离散形式的曲面如何估

Design of these controllers combines the differential geometry theory with the variable structure control theory.

这种控制器的设计结合了微分几何理论及变结构控制理论。

Geometric unsmoothed structure on dung beetle's cuticle wasobserved and analysed by using SEM.

利用扫描电镜对蜣螂体表几何非光滑结构进行观察和分析，并得到了蜣螂体表的整体图像。

And the self-weight and elastic deformation of the structure can be taken into consideration.

该状态可考虑弹性变形和结构自重等荷载的影响，且其几何位形要满足设计要求，也是施工验收的重要依据。

In this paper,we will give a few examples of geometric design by taking different size parameters into consideration.We have made the prisms and put them into the application of measuring the magneto-optical Kerr ellipticity with success.

在本文中，我们给出了具有这种结构的几何设计例子，还结合不同参量成功地设计研制了一个消色差的1／4波长延迟器，并应用于磁光材料的克尔效应测量中。

For more investigation on the linkage-structure of elytra, the opening-closing process of elytra is recorded. Besides, the strength of linkage between the elytra was measured, and Protaetia brevitarsis has the strongest coupling force. At last, the elytra linkage-structure model was analysed by simulating its movement and analyzing its structure using Pro/Engineer, it is proved that the structure is especial and efficient.

本文为了更好地研究此鞘翅间联接锁定机构，对甲虫鞘翅的瞬间开合过程进行了拍摄；还对此机构的联接强度进行了测定，发现甲虫鞘翅间联接力都要远远大于甲壳虫它自身的重量，其中白星花金龟的联接强度最高；最后通过几何建模，对联接机构进行运动模拟仿真及结构有限元分析，证明了甲虫鞘翅联接机构的特殊性和高效性。

Based on expansion of ODF in series of Generalized Spherical Harmonics by Bunge, we design programming in Orientation Distribution Function for polycrystal which contained five thousands crystals based on increment arithmetic of Voronoi. Geometrical data information, ODF of every crystal in polycrysal are imported to Open Graphics Library to draw, that means we implement visualization of ODF for every crystal in polycrystal.

主要针对具有立方结构的多晶体材料，采用Bunge级数展开法模型计算取向分布函数的理论模型，利用C语言在VC++环境下对ODF值进行了计算，并以Voronoi增量算法为基础生成包含有5000个晶粒的多晶体材料各晶粒的几何数据信息，与计算得到的ODF值一起导入OpenGL进行可视化处理，直观显示了多晶体材料中ODF值在各晶粒内的分布。

The exterior are belong to structure form, geometrical topology, loading case, boundary condition and other external factors. The division will be convenient for a researcher to find the real reasons affecting the dynamic characteristics of the damper. One dimensional stress and strain formulations are deduced by means of the standard derivative and fractional derivative model using the linear viscoelastic theory.

本文主要研究橡胶类粘弹性高阻尼材料及其元件的动态特性，在分析国内外关于橡胶类阻尼材料和元件的理论分析和实验研究的基础上，将影响阻尼器的因素分成属于材料特性的内在因素和属于诸如结构形式、几何尺寸、承载方式、边界条件等外在因素两大类，以利找出影响橡胶阻尼器动特性的真正原因。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。