球面

The selection and orientation of the reference spheroid; the astronomical observation system; length standard; the computation of deflection of vertical and height anomaly; the problem of adjustment carried out on the spheroid;the treatment of Laplace arimuth in adjustment...

第二，参考椭球的选择和定位；天文测量系统；长度基准；垂线偏差和高程异常的计算；在椭球面上进行平差的问题；平差中拉普拉斯方位角的处理；各级大地网整体统一平差的问题。

You'll see it will start to warp the text into a sphere shape.

你将会看到你的文字变成如图所示的球面效果。

As an application of the asymptotic theory, a special wave equation is analyzed in detail.

在三维空间中，建立了一类半线性波方程在非球面对称形式下整体解的渐近理论，并给出了应用。

The static characteristics of aerostatic iron porous thrust bearings are gained.

本文对多孔质流体静压轴承的静态性能进行了系统的分析，研制了多孔质流体静压球面轴承和多孔质流体静压丝杠螺母副。

The status and application of AGRIN lens are introduced. Its merits comparing with the aspherical lens are briefly presented. The manufacture technology of AGRIN medium is discussed.

综述了AGRIN材料的发展历史，现状及其在镜头设计中的应用，简述AGRIN材料在光学设计中的应用和它与非球面相比的优点，探讨AGRIN材料的制造问题。

Half the amount of cylinder power is added algebraically to the sphere power , and this yields the resulting spherical equivalent power.

即用球面镜光度与一半柱镜光度的代数和，计算结果就是等效球面的光度。

The thesis focuses on analysis and design of the anthropopathic mechanical arms' shoulder joint based on the spherical 3-DOF parallel manipulator.

本文对一种基于球面三自由度并联机构的拟人机械手臂的肩关节进行了分析与设计。

Design thought is given, which indicates the spherical 3-DOF parallel manipulator is fit to become the anthropopathic mechanical arms' shoulder joint.

给出设计思想，表明球面三自由度并联机构适合作为拟人机械手臂的肩关节。

The mechanism parameters are confirmed according to the performance indexes, workspace volume and assembly conditions, then the anthropopathic mechanical arms' shoulder joint based on the spherical parallel manipulator is designed. Kinematics simulation is accomplished, and the simulation results and the theoretics calculation results are compared.

以各性能指标、工作空间以及组装条件为依据，确定机构参数，设计出一种基于球面并联机构的拟人机械手臂的肩关节，并进行了运动学仿真，且将仿真分析结果与理论计算结果进行了比较。

His boldness lies in realizing that he could eliminate the spherical aberration by placing a thin, very weakly curved lens ("correction plate") of special smooth shape (convex near its middle, concave near its periphery, and flat in between) at the same location as the apertured diaphragm.

他的勇气，就在于实现，他可以消除球面像差放置一个薄，非常弱弯曲镜头的特别顺利形状（凸近其中，凹附近及其周边地区，并在单位之间的）在同位置作为光阑膈肌。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐