面对称

We use the boundary integral method to simulate the spherically symmetric collapse of a cavitation bubble, a free-surface potential problem having analytical solution. Evolving error curves are given in the thesis, and the influences of various discretization methods on the accuracy and the stability are compared.

我们使用边界积分法模拟空化气泡的球对称溃灭，一个具有分析解的自由面势流问题，给出了计算误差的演化曲线，比较了各种数值离散法对精度和稳定性的影响。

Later, a British ambassador to North Korea with diplomats from the Western aesthetic point of view of this flag-Tai Chi nosy made changes and removed the titillation of four downs, and the remaining four downs oblique symmetric stretching, the entire rectangular flag design submissions, yin and yang fish patterns into two colors red and blue, so now we can see eunuchs Korean flag.

后来，一名英国驻朝鲜的使节用西方美学的角度为这面太极八卦旗做了修改，去掉了八卦中的四卦，把剩下的四卦斜向对称拉伸，使整个国旗图案呈长方形，把阴阳鱼图案改为红蓝两色，这样才有了现在我们看到的韩国太监旗。

Comparisons between calculated results and experimental data are presented,the variations of module of the roll toque coefficients with flight parameters are analyzed.

因此在迎风子午面两侧的烧蚀引射率和摩擦力不再对称，这是产生烧蚀滞后滚转力矩的主要原因。

The central atom is bridged to each ofthe two external copper atoms through triple triazole ligands.

在5的配阳离子中，中心铜离子处在反对称中心与六个admtrz桥的六个氮原子形成拉长的八面体配位环境。

On the basis of the mechanical principle of the stress function and its derivative on the boundry of elastomer and the method of Heaviside function, the stress calculation of the function of nonlinear distributed force on the undersurface of nonsymmetric wedge block has been obtained.

用应力函数及其导数在弹性体边界上的力学意义和海维赛函数的方法，对非对称楔形体在楔面下部承受非线性分布压力作用的问题进行了应力计算，给出了应力一般解并进行了讨论，其结果具有理论和实际意义。

And by further correlated analyze the surface and spatial moving process and trajectory of different vortices, and the representative points on the vortex line and characteristic points on the curve of side force distribution, a physical model of multi-asymmetric vortices over a 3-D slender body is developed.

在对每个背涡从物面到空间发展和运动轨迹、不同背涡在空间的特殊位置关系、以及这些特殊位置与截面侧向力分布特征点的相关性进行对应分析的基础上，建立了细长体在大迎角亚临界Re数流动状态下非对称多个背涡的空间三维涡系结构物理模型。

Twelve patients of unilateral fracture of zygoma complex were treated with the help of the three-dimensional craniomaxillo-facial measurement instrument.

结果12例患者经采用三维颅颌面测量器辅助骨折复位后，术后均取得了较好效果，颧面部轮廓基本对称，容貌恢复良好。

Results 19 cases of arthrosclerosis or joint hyperplasia and deformity,32 cases of broaden or stenosis of the joint space,17 cases of unsmooth articular surface and 11cases of vacuous articular space were found in 35 cases of LVA from 42 patients.

结果 本组共诊断腰椎小关节病35例，其中关节突增生、硬化、变形19例；关节间隙左右不对称变窄或增宽32例；关节面毛糙17例；关节间隙内真空征11例。

The endocyclic Sn atoms exist in a distorted triginal bipyramidal geometry with the coordination number of 5. The exocyclic Sn atoms form 6 significant bonds and exist in a distorted octahedron geometry.

化合物12的X衍射单晶测定表明，化合物是以Sn2O2四元环为中心的中心对称二聚体结构、内环锡为5配位的畸变三角双锥结构、外环锡为6配位的畸变八面体结构。

These include inflammatory arthritides such as rheumatoid arthritis, ankylosing spondylitis and reactive arthritis,99 101 synovial impingement,meniscoid entrapment, chondromalacia facetae, pseudogout,synovial inflammation, villonodular synovitis, and acute and chronic infection.102 106 Intrafacetal synovial cysts can be a source of pain because of distension and pressure on adjacent pain-generating structures, calcification,and asymmetrical facet hypertrophy.107 110 In a retrospective review of MRI scans in 303 consecutive patients with LBP, Doyle and Merrilees111 found that9.5% had facet joint synovial cysts, the large majority of which were located posteriorly.

包括炎症性关节炎如类风湿性关节炎，强直性脊柱炎及反应性关节炎等，还有滑液撞击，关节软骨版卡压，关节面软骨软化，假性痛风，滑液炎症，绒毛结节性滑膜炎和急慢性感染。小关节内滑囊囊肿可由于拉伸和压缩临近的疼痛发生结构，骨化及不对称关节增生等原因引起疼痛。在一项303例连续患者的MRI研究中，Doyle 和 Merrilees发现其中9.5%存在小关节囊肿，大部分发生于关节囊后部。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。