查询词典 spherical cap

Through finding a best fitting spherical surface, making the maximum deviation between aspheric surface and the best fitting spherical surface minimum, the maximum deviation at this time is just the maximum asphericity of aspheric surface.

寻找最接近球面，使其沿法线方向与非球面的最大偏离量最小，此时的最大偏离量即为非球面的最大非球面度。

In particular, he addresses spherical and affine buildings, and the "spherical building at infinity" attached to an affine building.

特别是，他的地址和仿射球形建筑，以及"在仿射建设附加到无穷大"球形建筑。

Compilation of the plane trigonometry and spherical trigonometry book, spherical trigonometry to solve some problems in, and first proposed the introduction of auxiliary angle method to solve the triangle .

编撰了有关平面三角学和球面三角学的著作，解决了球面三角学中的若干难题，并首先提出引进辅助角的方法解三角形。

Compilation of the plane trigonometry and spherical trigonometry book, spherical trigonometry to solve some problems in, and first proposed the method to solve the introduction of auxiliary angle triangles .

编撰了有关平面三角学和球面三角学的著作，解决了球面三角学中的若干难题，并首先提出引进辅助角的方法解三角形。

Firstly, a spherical mesh with regular subdivision connectivity is constructed to partition the spherical domain into some small regions. Then the region, which contains the query point p, is found according to the position of p and selected as the search area for locating p. During the point location, the barycentric coordinates are used to extract local heuristic information about the location of p so as to find the shortest path from the start triangle to the target one containing p.

通过构造规则子分网格将原始球面网格区域划分成若干具有子分层次关系的查询小块；在进行查询前，根据查询点p的位置找到它所在的小块作为搜索区域，从而极大地缩小了查询范围；在查询过程中，根据重心坐标所包含的启发信息，选择一条从初始搜索三角形到目标三角形的最短查询路径。

We supply in various kinds of mineral lens, CR-39 lens, middle index and hi-index hard resin lens single vision, bifocal or progressive, in traditional spherical or new spherical design.

我们供应各种矿物晶体，铬- 39镜头，中间指数及高科技指数硬树脂镜片的单一视野，双部位或进步，在传统的球面或新的非球面设计。

Secondly, taking the constraint curve of spherical R-R binary as the unique element, kinematic synthesis for spherical mechanism is discussed.

其次，以球面机构R-R二副杆的约束曲线为综合要素，表述了球面机构综合理论与方法。

By a concave spherical mirror and the mirror curvature center is located in a very close parallel plate of non-spherical corrections boards.

由一个凹球面反射镜和位于反射镜曲率中心的一块很接近平行平板的非球面改正板组成。

We discussed the establishment of similarity conditions based on equation analysis.By adjusting the excited frequency for the distorted model of spherical shell to some extent,it may compensate the deflection of predicting the behavior of prototype from the test result of distorted spherical shell.

基于方程分析法讨论了相似条件的建立过程，并针对畸变后的球壳，调节模型的激励频率，在某种程度上补偿畸变球壳对原型预测得到的偏差。

Firstly, the development of the spherical robot is introduced and according to the knowledge of the research forepassed, the nonholonomy and the nonlinear controllability for a spherical robot based on the principle of angular momentum conservation are discussed with the differential geometric control theory.

首先介绍了球形机器人的发展状况，在了解前人研究领域的基础上，应用微分几何控制理论，对此角动量守恒的球形机器人的非完整性和非线性可控性进行了研究。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？