查询词典 geometry

Based on the introduction and analysis of soft tissue deformation, we simulate the soft tissue deformation and force feedback, using surface mesh model as geometry model, extended linear elastically model as physical model, Chain Mail and Level Tree model as computing model.

在介绍和分析了软组织变形方法的基础上，我们采用边界面模型作为几何建模方法，扩展的线弹性模型作为物理建模方法，Chain Mail和Level Tree模型作为计算建模方法进行软组织的变形和力反馈模拟与计算。

If the geometry of the intersection may lead to these turn,the designer can use channelization devices and additional signing and pavement marking.Wrong-way movements are, in general, precluded by the use of cloverleaf designs.

如果几何的交汇点，可能导致这些反过来，设计师可以使用信道设备的和额外的签署和路面marking.wrong双向流动，一般来说，排除使用立交桥的设计。

The character, geometry size and process information etc of parts are described by frame knowledge.

基于知识库的交互式CAPP系统采用框架＋规则知识表示法，增加了加工内容和相关知识。

The corresponding ERA is reducing increasingly with the edge number increasing of characteristic geometry.

论文阐述了一种新型的涡形压缩机轮廓的形成方法。

In terms of the theory of algebraic geometry, the problem of characteristic polynomial assignment of the closed-loop systems is transferr.

以代数几何方法为工具，将此闭环系统的特征多项式配置问题转化为判别有理映射是否为到上的，推导出多输入的 2 D广义系统Roe sser模型由状态反馈几乎任意配置特征多项式系数的充分条件。

Next he learns about the Copernican system, and after that he moves on to geometry, and then to chronology.

下一步，他学到更多的哥白尼体系，之后，他移动到几何，然后年表。

In Wei - Jin and Southern and Northern dynasties the design cingulum decorated on the porcelain mainly included geometry, plant designs and some molded decorations such as pushou, Buddhist figure, cavalier, immortals and supernatural animals.

魏晋南北朝时期瓷容器肩腹部的装饰性纹饰带多为几何纹、植物纹及贴饰的铺首、佛像、骑马武士、仙人瑞兽等内容

We also show that the one-to-one defensive competition problem is a generalization of the Tukey median problem and the smallest enclosing circle problem which are two famous problems in computational geometry.

同时我们也讨论了竞争性区位设施之防御问题与其他计算几何领域内的著名题目例如，Tukey 中间值及最小圆盘集合之间的关系。

Geometry a curve generated by the intersection of a plane and a circular cone.

一个平面和一个圆锥体相交而生成的曲线。

By analytic geometry method and solving quadratic equation,a computer simulation algorithm of digital projection under arbitrary scanning locus was proposed.The algorithm is based on the rules of attenuation of monochromatic X-rays.Through mathematical modeling and computer simulation,digital projections of ellipsoid and cylinder in circular and helix scanning modes are exemplified respectively,which are proved to be correct by FDK and PI-line reconstruction algorithms.

介绍了一种利用解析几何和求解二次方程仿真任意扫描轨迹下的锥束射线投影数据算法，该方法基于单色射线贯穿物体的衰减理论，通过数学建模与计算机仿真，给出了椭球、圆柱两种典型模型分别在单圆、螺旋线扫描轨迹下的投影数据仿真结果，并利用FDK和PI线重建算法进行验证，证明了该种数值仿真方法的正确性。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。